find the area and circumference of a circle whose diameter is 9 centimetre
Answers
Answered by
1
hey the answer is. . . . . . . .
r = 9/2
circumference = 2 pi r
= 2 × 22/7 × 9/2
= 28.28cm
area = pi r ^2
= 22/7 × 9/2 × 9/2
= 455.5cm^2
hope it helps uu frnd.
r = 9/2
circumference = 2 pi r
= 2 × 22/7 × 9/2
= 28.28cm
area = pi r ^2
= 22/7 × 9/2 × 9/2
= 455.5cm^2
hope it helps uu frnd.
Answered by
0
Answer:28.32
Step-by-step explanation:r=d/2
9/2=4.5
2¬r
2*3.14*4.5
28.32
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