Question

std 7
Q.1Find the perimeter of each of the following shapes:
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Answer 1

All of the shapes are polygons. So to find their area we have to add all their sides.
Answer 1: 5cm + 2cm + 4cm + 1 cm = 12cm
Answer 2: 23cm + 35cm +35cm + 40cm = 133cm
Answer 3: 15cm + 15cm +15cm + 15cm = 60cm
Answer 4: 3cm + 3cm + 3cm +3cm + 3cm = 15 cm

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