tolong bantu ya kak,,

(a) L juring POQ = 90°/360° × πr²
= 1/4 × 22/7 . 14 . 14
= 1/4 × 44 . 14
= 1/4 × 616
= 154 cm²

(b) Luas ∆ POQ = 1/2 × 14 × 14
= 1/2 × 196
= 98 cm²

(c) Luas tembereng = L juring - L ∆
= 154 cm² - 98cm²
= 56 cm²

senang membantu ;)