matematika halaman 56 nomor 7

Luas ▲
= ½ x a x t
= ½ x 14 x 4
= 28 Cm²

Luas ½ Lingkaran
= ½ x π x r²
= ½ x 22/7 x 7²
= ½ x 22/7 x 49
= 77 Cm²

Luas Total
= 28 + 77
= 105 Cm²


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