Question

Tolong di bantu pake cara ya kak

Answer 1

L. Bangun = L. T 1 + L. T2

L. Trapesium 1
= ½ × (a+c) × t
= ½ × ( 22+9 ) × 12
= 6 ( 31 )
= 186 cm²

Tinggi Trapesium 2
t = √((22-9):2)² - 6²
= √ (6.5)² - 6²
= √ 42,25 - 36
= √6.25
= 2.5 cm

L. Trapesium 2
= ½ × (a+c) × t
= ½ × (22+9) × 2.5
= 38.75 cm²

Luas Bangun = 186 cm² + 38.75 cm²
= 224.775 cm²