Four corners of the square of the area $15 c m^{2}$ are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square. The area of the new square is

$7.5 c m^{2}$

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$30 c m^{2}$

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$45 c m^{2}$

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$15 c m^{2}$

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Solution

The correct option is A
$7.5 c m^{2}$

Four corners of the square are folded and it is unfolded to cut along the creases to get a new square.

Then the area of the new square is half the area of the original square

$\Rightarrow$ The area of the new square is $7.5 c m^{2}$

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Four corners of the square of the area 15 cm2 are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square. The area of the new square is

The correct option is A 7.5 cm2 Four corners of the square are folded and it is unfolded to cut along the creases to get a new square. Then the area of the new square is half the area of the original square ⇒ The area of the new square is 7.5 cm2

Four corners of the square of the area $15 c m^{2}$ are folded as shown in the first two figures. It is unfolded and cut along the creases to get a new square. The area of the new square is

The correct option is A
$7.5 c m^{2}$

Four corners of the square are folded and it is unfolded to cut along the creases to get a new square.

Then the area of the new square is half the area of the original square

$\Rightarrow$ The area of the new square is $7.5 c m^{2}$