## Chapter 10 Mensuration Exercise 10.2

Question 1: Find the areas of the following figures by counting square:Answer:

a) The figure contains only 9 fully filled squares. Therefore, the area of this figure will be 9 square units.

b) The figure contains only 5 fully filled squares. Therefore, the area of this figure will be 5 square units.

c) The figure contains 2 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 4 square units.

d) The figure contains only 8 fully filled squares. Therefore, the area of this figure will be 8 square units.

e) The figure contains only 10 fully filled squares. Therefore, the area of this figure will be 10 square units.

f) The figure contains only 2 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 4 square units.

g) The figure contains 4 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 6 square units.

h) The figure contains 5 fully filled squares. Therefore, the area of this figure will be 5 square units.

i) The figure contains 9 fully filled squares. Therefore, the area of this figure will be 9 square units.

j) The figure contains 2 fully filled squares and 4 half-filled squares. Therefore, the area of this figure will be 4 square units.

k) The figure contains 4 fully filled squares and 2 half-filled squares. Therefore, the area of this figure will be 5 square units.

l)

Covered Area |
Number |
Area estimate (square units) |

Fully filled squares |
2 |
2 |

Half-filled squares |
– |
– |

More than half filled squares |
6 |
6 |

Less than half filled squares |
6 |
0 |

m)

Covered Area |
Number |
Area estimate (square units) |

Fully filled squares |
5 |
5 |

Half-filled squares |
– |
– |

More than half filled squares |
9 |
9 |

Less than half filled squares |
12 |
0 |

n)

Covered Area |
Number |
Area estimate (square units) |

Fully filled squares |
8 |
8 |

Half-filled squares |
– |
– |

More than half filled squares |
10 |
10 |

Less than half filled squares |
9 |
0 |

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