Step-by-step explanation:
2).
Solution,
Radius=x cm
Circumference=2πr
=2×22/7×x
=6.29x
3).
Solution.
3x+2=23
3x=23-2
3x=21
x=21/3
x=7
Answer:
2. Circumference = 2πx
3. x = 7
2.
Radius = x
Circumference = 2π(radius) = 2πx
3.
3x + 2 = 23
=> 3x = 23 - 2
=> 3x = 21
=> x = 21/3
=> x = 7
