Question

A square paper of side length “A” is being cut along the dotted lines as shown. The increase in perimeter considering the perimeter for all the new surface after cutting is:​

Answer 1

Answer:

Correct option is

C

120 cm

The square is pep aired by folding paper The area of shaded triangles 225 sq cm

Then the area of triangle =(side)

2

And side of triangle =

area

=

225

=15cm

In this figure sides of triangle are equal

Then side of square=2×side=2×15=30 cm

So the perimeter of piece of paper =4×30==120 cm

Answer 2

Answer:

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Step-by-step explanation:

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