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Sagot :
Answer:
The answer for part A is 49π cm² and part B is 81π in².
Step-by-step explanation:
In part A, 14cm represents the length of diameter of circle, in order to find its radius, you have to divide it by 2 which is 7cm. Next, you have to apply area of circle formula :
A = π × r²
A = π × 7²
A = 49π cm²
Part B :
A = π × 9²
A = 81π in²
Answer:
a. 49π
b. 81π
Step-by-step explanation:
formula is πr^2
find the square of the radius of the circle and then multiply by π.
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