Luas bangun datar di samping adalah...cm?.
a. 525
b. 535
c. 545
d. 555
`Bangun datar
• Trapesium
a = 10 cm
b = 25 cm
t = 15 cm
Luas trapesium
L = 1/2 × (a + b) × t
L = 1/2 × (10 + 25) × 15
L = 1/2 × 35 × 15
L = 1/2 × 525
L = 525/2
L = 262,5 cm²
Jawaban:
BANGUN DATAR
L = ½ × (a + b) × t
= ½ × (25 + 10) × 15
= ½ × 35 × 15
= 262,5
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