Problem 1.2 Find the area of the following regular shaped figures (Take TI = 22/7). a. A rectangle whose length is 12 m and breadth is 4 m. b. A circle whose radius is 7 m. c. A triangle whose base is 6 m and height is 8 m.
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Explanation:
area of rectangle = lb
=(12) x (4)
=24
hence, area of rectangle = 24m²
area of circle = πr²
= 22/7 x 7²
=154
hence, area of circle = 154m²
area of triangle = 1/2 x b x h
= 1/2 x 6 x 8
=24
hence area of triangle = 24m²
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