If area of quadrant of a circle is 38.5 cm2 then find its diameter
Answers
Answered by
3
Answer:
7cm
Using the formulas
A=πr2
d=2r
Solving ford
d=2A
π=2·38.5
π≈7.00141cm
Answered by
2
Answer:
14 cm
Step-by-step explanation:
use the formula of a ar of sector with theta 90
the radius will be 7 cm
so diameter is twice the radius so diameter is 14 cm
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