Question

find the area of the shaded portion all the angles are right angle​

Answer 1

Answer:-

Explanation:

Let the breadth of the wall be x metres.

Then, Height = 5x metres and Length = 40x metres.

x * 5x * 40x = 12.8

=>x3 =12.8/200 = 128/2000 =64/1000

=> x = 4/10 m

=> x = (4/10)*100 = 40 cm.

hope it helps ✅✅✅

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