Question

All formulae from the chapter: AREAS RELATED TO CIRCLES

Answer 1

hey buddy.... check your answer...

Answer 2

Hi there!

Formulae from Ch: Areas related to Circles

♦ π = circumference/diameter

♦ Circumference of circle = 2πr

♦ Area of circle = πr²

♦ Area of sector of angle Ѳ = Ѳ /360° × πr²

♦ Length of arc of sector of angle Ѳ = Ѳ / 360° × 2πr

[ Thank you! for asking question. ]
Hope it helps!