5. The sum of the radius and the circumference of a circle
is 51 cm. The area of the circle is :
Answers
Answered by
1
Step-by-step explanation:
Sum of circumference and radius = 51 cm.
Find radius = (?)
→ circumference + radius = 51
∴2πr+r=51
∴r(2π+1)=51
∴r=
2π+1
51
=
2×
7
22
+1
51
=
7
44+7
51
=
51
51×7
∴r=7cm
Answered by
0
Hope this answers the question
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