Question

A small square of side 2cm is cut out from the edge of a bigger square

of 10cm. Find the new length of the boundary line of the bigger square.
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Answer 1

Answer:

32 cm

Step-by-step explanation:

Perimeter of a square=4a

Perimeter of the smaller square = 2×4=8cm

Perimeter of the bigger square= 10×4=40cm

Perimeter of the new shaped figure= perimeter of bigger square-perimeter of smaller square

Perimeter of the new shaped figure =40-8=32cm

The new boundary line will be 32 cm

32 cm