tolong bantu plisss!!!!!
pake cara
jangan ngasal
pake cara
jangan ngasal
Jawab:
bangun datar
i) luas trap siku AEDC = 480
1/2(16+24)(CE) = 480
20 CE = 480
CE = 24
ii) segitiga BEC siku
EB² = BC² - CE²
EB² = 26² - 24²
EB² = 100
EB = 10 cm
Luas trap ABCD =
= luas trap siku + luas segitiga
= 480 cm² + 1/2 (CE xEB)
= 480 cm² + 1/2 (24x 10)
= 480 + 120
= 600 cm²