Question

Tolong ya. soalnya nanti dikoreksi

Answer 1

Luas trapesium = 1/2×(a+b) × t
=1/2×(144 cm+216 cm)× 120 cm
=1/2 × 360 cm × 120 cm
=180 cm × 120 cm = 21.600 cm

Luas 1/2 lingkaran = 1/2×π×r×r
= 1/2×(22/7 × 42)× 42
= 1/2 × (132 × 42)
=1/2×5.544 = 2.772 cm

Luas yg diarsir
= 21.600-2.772 = 18.828 cm²

JADI JAWABANNYA C.18.828 CM²

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