Find the area of the quarter circle shown. The radius is 14 cm. (Take pi = 22/7)
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Worked Solution
Step 1: Recall the formula for the area of a quarter circle.
Area = 1/4 x pi x r x r
Step 2: Substitute the values.
Area = 1/4 x (22/7) x 14 x 14
= 1/4 x (22/7) x 196
Step 3: Simplify by cancelling first.
196 divided by 7 = 28
22 x 28 = 616
1/4 x 616 = 154 cm2
The area of the quarter circle is 154 cm2.
Answer: 154 cm2
Correct answer: 154 cm2
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