Question

Tolong,,
plisss kak nanti aku jadiin ter-brainly. caranya juga ya

Answer 1

Bangun 1 = segitiga
luas segitigga = 1/2 × a × t = 1/2 × 28 × 33
= 1/2 × 924 = 462 cm

bangun 2 = setengah lingkaran
jari jari = 28 ÷ 2 = 14
rumus = 1/2 × pi × r × r
= 1/2 × 22/7 × 14 × 14
=1/1 × 11/1 × 7 × 14
=11 × 7 × 14
= 1078

jumlah = 462 + 1078
= 1540 cm persegi