24. Perhatikan gambar!
Trapesium ACDE sama kaki, jika panjang DE = 16 cm, AB = 6 cm dan BE = 10 cm. Berapakah luas trapesium ACDE tersebut!
A. 120 cm²
B. 220 cm²
C. 240 cm²
D. 320 cm²
Trapesium ACDE sama kaki, jika panjang DE = 16 cm, AB = 6 cm dan BE = 10 cm. Berapakah luas trapesium ACDE tersebut!
A. 120 cm²
B. 220 cm²
C. 240 cm²
D. 320 cm²
Luas trapesium
[tex] \frac{1}{2} \times t(a + b) \\ \\ \frac{1}{2} \times 10(16 + 16 + + 6 + 6) \\ \\ 10(38) \\ \\ 220 \: {cm}^{2} \: (B)[/tex]
LP :
= 1/2(10(16 + 16 + 6 + 6)
= 1/2(10(32 + 12)
= 1/2(10(44)
= 1/2(10(44)
= 1/2(440)
= 440/2
= 220 CM²