Question

Please help to solve this

Answer 1

1) Given : Perimeter = 500cm

Given : Perimeter = 500cm length = 190cm

to find : breadth

Let breadth be b

perimeter of rectangle = 2(l+b)

500 = 2(190+b)

500 = 380 + 2b

500 -380 = 2b

120 = 2b

120/2 = b

60 = b

2) ans : breadth = 60cm

Equilateral triangle = 3x side

2250 m = 3x side

2250/3 = side

750 = s

ans : m = 750m

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Answer 2

Answer:

perimeter of rectangle=2×(l+b)

500 cm. = 2×(190+b)

500. cm. = 380+2b

500 - 380 = 2b

120. =2b

b = 120÷ 2

b =60 cm

the width of the rectangular frame is 60cm

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