a. L = Luas Persegi Panjang + Luas 1/2 lingkaran
L = (p x l) + (1/2 x phi x r x r)
L = (28 x 24) + (1/2 x 22/7 x 14 x 14)
L = 672 + 308
L = 980
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a. L = Luas Persegi Panjang + Luas 1/2 lingkaran
L = (p x l) + (1/2 x phi x r x r)
L = (28 x 24) + (1/2 x 22/7 x 14 x 14)
L = 672 + 308
L = 980