Jawaban:
L arsiran
= L 3/4 lingkaran - L segitiga
= 3/4 x πr² - (1/2 x a x t)
= 3/4 x 3,14 x 10² - (1/2 x 10 x 10)
= 235,5 - 50
= 185,5 cm²
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Jawaban:
L arsiran
= L 3/4 lingkaran - L segitiga
= 3/4 x πr² - (1/2 x a x t)
= 3/4 x 3,14 x 10² - (1/2 x 10 x 10)
= 235,5 - 50
= 185,5 cm²