NCERT Solutions for Class 6 Maths Exercise 5.5

NCERT Solutions for Class 6 Maths Exercise 5.5 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 Understanding elementary Download as PDF

NCERT Solutions for Class 6 Maths Understanding elementary

Class –VI

Mathematics

(Ex. 5.5)

Question 1.Which of the following are models for perpendicular lines:

(a)The adjacent edges of a table top.

(b)The lines of a railway track.

(c)The line segments forming the letter ‘L’.

(d)The letter V.

Answer: (a) Perpendicular

(b) Not perpendicular

(c) Perpendicular

(d) Not perpendicular

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NCERT Solutions for Class 6 Maths Exercise 5.5

Question 2.Let {tex}\overline {{\text{PQ}}} {/tex} be the perpendicular to the line segment {tex}\overline {{\text{XY}}} .{/tex} Let {tex}\overline {{\text{PQ}}} {/tex} and {tex}\overline {{\text{XY}}} {/tex} intersect in the point A. What is the measure of {tex}\angle {/tex}PAY.

Answer: Sol.

{tex}\angle {/tex}PAY = {tex}{90^ \circ }{/tex}

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Question 3.There are two “set-squares” in your box. What are the measures of the angles that are formed at their corners? Do they have any angle measure that is common?

Answer: One set-square has {tex}{45^ \circ },{90^ \circ },{45^ \circ }{/tex} and other set-square has {tex}{60^ \circ },{90^ \circ },{30^ \circ }{/tex}. They have {tex}{90^ \circ }{/tex} as common angle.

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NCERT Solutions for Class 6 Maths Exercise 5.5

Question 4.Study the diagram. The line {tex}l{/tex} is perpendicular to line {tex}m.{/tex}

(a)Is CE = EG?

(b)Does PE bisect CG?

(c)Identify any two line segments for which PE is the perpendicular bisector.

(d)Are these true?

(i) AC > FG

(ii) CD = GH

(iii) BC < EH

Answer:

(a) Yes, both measure 2 units.

(b) Yes, because CE = EG

(c) {tex}\overline {{\text{DF}}} {/tex} and {tex}\overline {{\text{CG}}} {/tex}, {tex}\overline {{\text{BH}}} {/tex}

(d) (i) True, (ii) True, (iii) True

NCERT Solutions for Class 6 Maths Exercise 5.5

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