bantuin donk pke caranya

a. Luas = p x l + 1/8 π d² = 17 x 14 + 1/8 x 22/7 x 14²
= 238 + 77
= 315 cm²

Keliling = 2p+l+1/2πd = (2 x 17) +14+(1/2 x 22/7 x 14)
= 34+14+22
= 70 cm