Pliss kak jawab interimakasihya ❤​

a) Luas juring = sudut POR/360° × πr²

L = 135/360 × 22/7 × 28 × 28

L = 27/72 × 88 × 28

L = 924cm²

b) Panjang busur = sudut POR/360° × 2πr

P = 135/360 × 2 × 22/7 × 28

P = 27/72 × 2 × 88

P = 66cm

semoga membantu….