Tolong bantu jwb no 24

Keliling bangun = keliling segitga – diameter lingkaran + 1/2 keliling lingkaran
K = 3(28) – (28-14) + 1/2 (22/7)(28-14)
K = 3(28 ) – (14) + 1/2 (22/7)(14)
K = 84 – 14 + 22 = 92 cm