W MANY SQUARES?
6. What is the area of square PQRS? Size of one small square of grid
is 1 cm
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Answer:
Area of figure=99cm
2
⇒ Area of 11 small squares =99cm
2
⇒ Area of 1 small square=99÷11=9cm
2
⇒ Side of 1 small square=3cm
∴ Perimeter of the figure =16×3=48cm.
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