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NCERT Solutions for Class 6 Maths Exercise 14.6

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NCERT Solutions for Class 6 Maths Exercise 14.6 book solutions are available in PDF format for free download. These ncert book chapter wise questions and answers are very helpful for CBSE exam. CBSE recommends NCERT books and most of the questions in CBSE exam are asked from NCERT text books. Class 6 Maths chapter wise NCERT solution for Maths Book all the chapters can be downloaded from our website and myCBSEguide mobile app for free.

NCERT solutions for Maths Practical geometry Download as PDF

NCERT Solutions for Class 6 Maths Exercise 14.6

NCERT Solutions for Class 6 Maths Practical geometry

Class –VI Mathematics
(Ex. 14.6)
Question 1.Draw POQ of measure 75 and find its line of symmetry.

Answer: Steps of construction:

(a) Draw a line l and mark a point O on it.

(b) Place the pointer of the compasses at O and draw an arc of any radius which intersects the line l at A.

(c) Taking same radius, with centre A, cut the previous arc at B.

(d) Join OB, then BOA = 60.

(e) Taking same radius, with centre B, cut the previous arc at C.

(f) Draw bisector of BOC. The angle is of 90. Mark it at D. Thus, DOA = 90

(g) Draw ¯OP as bisector of DOB.

Thus, POA = 75


Question 2.Draw an angle of measure 147 and construct its bisector.

Answer: Steps of construction:

(a) Draw a ray OA.

(b) With the help of protractor, construct AOB = 147.

(c) Taking centre O and any convenient radius, draw an arc which intersects the arms ¯OA and ¯OB at P and Q respectively.

(d) Taking P as centre and radius more than half of PQ, draw an arc.

(e) Taking Q as centre and with the same radius, draw another arc which intersects the previous at R.

(f) Join OR and produce it.

Thus, ¯OR is the required bisector of AOB.


NCERT Solutions for Class 6 Maths Exercise 14.6

Question 3.Draw a right angle and construct its bisector.

Answer: Steps of construction:

(a) Draw a line PQ and take a point O on it.

(b) Taking O as centre and convenient radius, draw an arc which intersects PQ at A and B.

(c) Taking A and B as centers and radius more than half of AB, draw two arcs which intersect each other at C.

(d) Join OC. Thus, COQ is the required right angle.

(e) Taking B and E as centre and radius more than half of BE, draw two arcs which intersect each other at the point D.

(f) Join OD. Thus, ¯OD is the required bisector of COQ.


NCERT Solutions for Class 6 Maths Exercise 14.6

Question 4. Draw an angle of measure 153 and divide it into four equal parts.

Answer: Steps of construction:

(a) Draw a ray OA.

(b) At O, with the help of a protractor, construct AOB = 153.

(c) Draw ¯OC as the bisector of AOB.

(d) Again, draw ¯OD as bisector of AOC.

(e) Again, draw ¯OE as bisector of BOC.

(f) Thus, ¯OC, ¯OD and ¯OE divide AOB in four equal arts.


NCERT Solutions for Class 6 Maths Exercise 14.6

Question 5.Construct with ruler and compasses, angles of following measures:

(a) 60

(b) 30

(c) 90

(d) 120

(e) 45

(f) 135

Answer:

Steps of construction:

(a) 60

(i) Draw a ray OA.

(ii) Taking O as centre and convenient radius, mark an arc, which intersects OA at P.

(iii) Taking P as centre and same radius, cut previous arc at Q.

(iv) Join OQ.

Thus, BOA is required angle of 60.

(b) 30

(i) Draw a ray OA.

(ii) Taking O as centre and convenient radius, mark an arc, which intersects OA at P.

(iii) Taking P as centre and same radius, cut previous arc at Q.

(iv) Join OQ. Thus, BOA is required angle of 60.

(v) Put the pointer on P and mark an arc.

(vi) Put the pointer on Q and with same radius, cut the previous arc at C.

Thus, COA is required angle of 30.

(c)90

(i) Draw a ray OA.

(ii) Taking O as centre and convenient radius, mark an arc, which intersects OA at X.

(iii) Taking X as centre and same radius, cut previous arc at Y.

(iv) Taking Y as centre and same radius, draw another arc intersecting the same arc at Z.

(v) Taking Y and Z as centers and same radius, draw two arcs intersecting each other at S.

(vi) Join OS and produce it to form a ray OB.

Thus, BOA is required angle of 90.

(d)120

(i) Draw a ray OA.

(ii) Taking O as centre and convenient radius, mark an arc, which intersects OA at P.

(iii) Taking P as centre and same radius, cut previous arc at Q.

(iv) Taking Q as centre and same radius cut the arc at S.

(v) Join OS.

Thus, AOD is required angle of 120.

(e)45o

(i) Draw a ray OA

(ii) Taking O as centre and convenient radius, mark an arc, which intersects OA at X.

(iii) Taking X as centre and same radius, cut previous arc at Y.

(iv) Taking Y as centre and same radius, draw another arc intersecting the same arc at Z.

(v) Taking Y and Z as centers and same radius, draw two arcs intersecting each other at S.

(vi) Join OS and produce it to form a ray OB. Thus, BOA is required angle of 90o

(vii) Draw the bisector of BOA.

Thus, MOA is required angle of 45o

(f)135o

(i) Draw a line PQ and take a point O on it.

(ii) Taking O as centre and convenient radius, mark an arc, which intersects PQ at A and B.

(iii) Taking A and B as centers and radius more than half of AB, draw two arcs intersecting each other at R.

(iv) Join OR. Thus, QOR = POQ = 90o

(v) Draw OD the bisector of POR.

thus, QOD is required angle of 135o


NCERT Solutions for Class 6 Maths Exercise 14.6

Question 6.Draw an angle of measure 45 and bisect it.

Answer: Steps of construction:

(a)Draw a line PQ and take a point O on it.

(b)Taking O as centre and a convenient radius, draw an arc which intersects PQ at two points A and B.

(c)Taking A and B as centers and radius more than half of AB, draw two arcs which intersect each other at C.

(d)Join OC. Then COQ is an angle of 90o

(e)Draw OE as the bisector of COE. Thus, QOE = 45o

(f)Again draw OG as the bisector of QOE.

Thus, QOG = EOG = 2212o


NCERT Solutions for Class 6 Maths Exercise 14.6

Question 7.Draw an angle of measure 135 and bisect it.

Answer: Steps of construction:

(a) Draw a line PQ and take a point O on it.

(b) Taking O as centre and convenient radius, mark an arc, which intersects PQ at A and B.

(c) Taking A and B as centers and radius more than half of AB, draw two arcs intersecting each other at R.

(d) Join OR. Thus, QOR = POQ = 90o

(e) Draw OD the bisector of POR. Thus, QOD is required angle of 135o

(f) Now, draw OE as the bisector of QOD.

Thus, QOE = DOE = 6712o


NCERT Solutions for Class 6 Maths Exercise 14.6

Question 8.Draw an angle of 70. Make a copy of it using only a straight edge and compasses.

Answer: Steps of construction:

(a) Draw an angle 70o with protractor, i.e., POQ=70o

(b) Draw a ray AB

(c) Place the compasses at O and draw an arc to cut the rays of POQ at L and M.

(d) Use the same compasses, setting to draw an arc with A as centre, cutting AB at X.

(e) Set your compasses setting to the length LM with the same radius.

(f) Place the compasses pointer at X and draw the arc to cut the arc drawn earlier at Y.

(g) Join AY.

Thus, YAX=70o


NCERT Solutions for Class 6 Maths Exercise 14.6

Question 9.Draw an angle of 40. Copy its supplementary angle.

Answer: Steps of construction:

(a) Draw an angle of 40o with the help of protractor, naming AOB.

(b) Draw a line PQ.

(c) Take any point M on PQ.

(d) Place the compasses at O and draw an arc to cut the rays of AOB at L and N.

(e) Use the same compasses setting to draw an arc O as centre, cutting MQ at X.

(f) Set your compasses to length LN with the same radius.

(g) Place the compasses at X and draw the arc to cut the arc drawn earlier Y.

(h) Join MY.

Thus, QMY = 40o and PMY is supplementary of it.

NCERT Solutions for Class 6 Maths Exercise 14.6

NCERT Solutions Class 6 Maths PDF (Download) Free from myCBSEguide app and myCBSEguide website. Ncert solution class 6 Maths includes text book solutions from Class 6 Maths Book . NCERT Solutions for CBSE Class 6 Maths have total 14 chapters. 6 Maths NCERT Solutions in PDF for free Download on our website. Ncert Maths class 6 solutions PDF and Maths ncert class 6 PDF solutions with latest modifications and as per the latest CBSE syllabus are only available in myCBSEguide.

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