Math, asked by studysandhya808, 2 months ago

Find the area of a circle having diameter 21 cm

Answers

Answered by Anweshapaik

1

Answer:

346.36cm² is the area of a circle having diameter 21 cm

Answered by sablenikhil780

4

Step-by-step explanation:

radius = diameter÷2

= 21÷2

= 10.5cm

area of circle = πr²

= 3.14 × (10.5)²

= 3.15 × 110.25

= 346.19 cm²

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