Question

Geometry doubt
how to find area of sector when u given a segment and radius

Answer 1

\(\sin \dfrac{\theta}{2} = \dfrac{AB/2}{r} \)

\(\large \theta = 2\arcsin \dfrac{AB/2}{r} \)

Answer 2

Area of sector = \(\large \pi r^2 \times \dfrac{\theta}{2\pi}\)

Answer 3

aha oki !
thx

Answer 4

np