How much area of square is painted yellow if the area of red colour is about 63 cm²?

18 cm²

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20 cm²

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21 cm²

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22 cm²

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Solution

The correct option is A 18 cm²
Area of square = side $\times$ side
= 9 cm $\times$ 9 cm
= 81 cm²

Area of yellow colour = Area of square - Area of red colour
= 81 - 63
= 18 cm²

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How much area of square is painted yellow if the area of red colour is about 63 cm2 ?

The correct option is A 18 cm2Area of square = side × side = 9 cm × 9 cm = 81 cm2 Area of yellow colour = Area of square - Area of red colour = 81 - 63 = 18 cm2

How much area of square is painted yellow if the area of red colour is about 63 cm²?

The correct option is A 18 cm²
Area of square = side $\times$ side
= 9 cm $\times$ 9 cm
= 81 cm²

Area of yellow colour = Area of square - Area of red colour
= 81 - 63
= 18 cm²