Question

Find the perimeter of the following figures triangle length is 30 cm breadth is 40 cm
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Answer 1

Step-by-step explanation:

(a) Perimeter of square = 4 x side

= 4 x 25 = 100 cm

(b) Perimeter of rectangle = 2 x (length + breadth)

= 2 x (40 + 10)

= 2 x 50 = 100 cm

(c) Perimeter of rectangle = 2 x (length + breadth)

= 2 x (30 + 20)

= 2 x 50 = 100 cm

(d)Perimeter of triangle = Sum of all sides

= 30 cm + 30 cm + 40 cm = 100 cm

Thus, all the figures have same perimeter.

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Answer 2

Answer:

perimeter = 2(l+b)

2(30+40)

2(70)

140cm