The area of a circular park is 1386 m². Find its diameter.?
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Answered by
2
Answer:
Step-by-step explanation:
Area of circular park=πr^2
=>1386=22/7r^2
=>r^2=1386×7/22
=>r^2=63×7
=>r=√3×3×7×7
=>r=3×7
=>r=21m
Diameter=2r=2×21=42m
Answered by
1
Step-by-step explanation:
we know that
Area = π r^2
1386 m^2 = 22/7 ×r^2
1386×7/22 = r^2
126×7/2 = r^2
63×7 = r^2
441 = r^2
√441 = r
r = 21
d= 2r
d=42
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