Question

what is the perimeter of a rectangle length 10cm breath 8cm

Answer 1

Step-by-step explanation:

perimeter of rectangle = 2(l+b)

= 2×(10+8)

= 2×18

= 36

therefore perimeter of rectangle is 36 cm .

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Answer 2

Answer:

Perimeter of rectangle = 2(L+B) = 2(10+x)

Perimeter of square = 4xs = 4x9 = 36 cm

Given 2(10+x) = 36

20+2x=36

x=(36-20)/2 = 8

Area of rectangle = LxB = 10 x 8 = 80 cm squared

Step-by-step explanation:

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