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Verified answer
Luas Seluruh Bangun= Lsegitiga + Lsetengah lingkaran
= 1/2 x a x t + 1/2 x Π x r²
= 1/2 x 14 x 20 + 1/2 x 22/7 x 7 x 7
= 14 x 10 + 1/2 x 22 x 7
= 140 + 11 x 7
= 140 + 77
= 217 cm²
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