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Area of a Shape (on a Grid) by Counting the Number of Squares

Grandma knitt...

Question

Grandma knitted a cap for winter. Find the area of the grey squares inside the cap.

A

5

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B

7

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C

9

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D

11

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Solution

The correct option is C 9
There are 9 grey squares on the cap.
Each square has a side of 1 unit and an area of 1 unit.

Area of all the grey squares
= 9 square units

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