two concentric circles have the radii 13cm and 9.5cm respectively. Find the area of the ring formed by these circle.
Answers
Answered by
2
Answer:
Area of a ring = π[R-r] [R+r]
22/7(13-9.5)(13+9.5)
22(0.5)(22.5)
247.5
The answer is 247.5
Answered by
2
we know that
ring circle = pi ( R2 - r2 )
= 247.5 cm
please follow me mate
Similar questions