Math, asked by jahamihika, 5 months ago

Find the area of a ring shaped region enclosed
between two concentric circles of radii 20 cm

Answers

Answered by Anonymous

4

Answer:

A=π(R²-r²)

R=Outer radius

r= Inner radius

Step-by-step explanation:

Answered by SƬᏗᏒᏇᏗƦƦᎥᎧƦ

12

Answer:

Area of ring = π(20)² – π(15)²

= 400π – 225π

= 175 π

= 549.7 cm²

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