Question

Q.7.
Find the radius of a circle whose circumference is 88 cm.
Q.8.
Find the areaof a square plot whose perimeter is 100 m.
Q.9.
Is line 1||m? Why?
500
1500
​

Answer 1

2πr=88
r=2×22÷88×7
= 14

Answer 2

the answer of first r =14.

the answer of second area =625