What is the area of a circle having radius 3
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Answered by
5
Answer:
Step-by-step explanation:
Radius = r = 3
Area = π × r2
= π × 32
= π × (3 × 3)
= 3.14159... × 9
= 28.27 (to 2 decimal places)
Answered by
17
area of circle=πr^2
so area of 3 cm radius circle=π*3*3
=3.14*9
=28.26 cm square
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