# NCERT Solutions for Class 6 Maths Exercise 5.5

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NCERT solutions for Maths Understanding elementary

## NCERT Solutions for Class 6 Maths Understanding elementary

###### 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.

(b) Not perpendicular

(c) Perpendicular

(d) Not perpendicular

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.

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

###### 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.

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

(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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