For primary 4 student
Find the circumference of a circle of diameter 44 take pie to be 22/7
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Step-by-step explanation:
r is the radius of given circle, then
Circumference 2πr=44cm
Putting π=22/7
2×(22/7)r=44
r=44×7/(22×2)
r=7cm
Now area=πr^2
=(22/7)×7×7
=22×7
=154sq.cm
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Answer:
132 cm is the right answer
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