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L lingkaran = 1/2πr² = 1/2.22/7.7² = 77 cm²
L yg di arsir = 49+77 = 126 cm²
= ½ × π × r × r
= ½ × 22/7 × 7 × 7
= 77 cm²
L segitiga
= ½ × a × t
= ½ × 14 × 7
= 49 cm²
L = 77 + 49
=126 cm²
maaf y klo salah