Prove that an angle in a semicircle is a right angle.
We know that,
∠POQ = 2∠PAQ
= ∠PAQ
= ∠PAQ
90° = ∠PAQ
∠PAQ = 90°
Hence proved
8
Prove that an angle in a semicircle is a right angle.
We know that,
∠POQ = 2∠PAQ
= ∠PAQ
= ∠PAQ
90° = ∠PAQ
∠PAQ = 90°
Hence proved