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Two figures can have the same area but different perimeters. - Mathematics

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Question

Two figures can have the same area but different perimeters.

Options

  • True

  • False

MCQ
True or False
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Solution

This statement is True.

Explanation:

Because the perimeter is the sum of all sides of closed shapes or polygons while the area is just bounded space insides.

Let’s take example of parallelogram

Their corresponding height and sides may different.

Thus, perimeter cannot be equal, even though area is equal.

Example:

Parallelogram 1: Side 1 = 6, 

Side 2 = 3, 

Height with side 1 base = 2.5

So, Area = 6 × 2.5 = 15

And perimeter = 2 × 6 + 2 × 3 = 12 + 6 = 18

Let, parallelogram 2: Side 1 = 5,

Side 2 = 3.5, 

Height with side 1 base = 3

So, Area = 5 × 3 = 15

And perimeter = 2 × 5 + 2 × 3.5 = 10 + 7 = 17

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Chapter 9: Perimeter and Area - Exercise [Page 278]

APPEARS IN

NCERT Exemplar Mathematics [English] Class 7
Chapter 9 Perimeter and Area
Exercise | Q 71. | Page 278
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