15. If the perimeter of a circle is equal to its area numerically. What is the measurement of radius!
16. What is the ratio of cylinder and cone, if their base and heights reaming same.
Answers
Answered by
1
Step-by-step explanation:
perimeter of circle=areaof circle
2πr=πr^2
r=2
Answered by
1
Answer:15. 2 cm
Step-by-step explanation:
area= 3.14*2*2=12.56
perimeter=2*3.14*2
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