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Matematika
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Pertanyaan
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1 Jawaban
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1. Jawaban sayyidahazkiya01
D = 14 r = 7, d1 = 14 d2 = 26-7 = 21
luas layang layang = d1xd2/2
= 14x21/2 = 147 cm²
luas 3/4 lingkaran = 3/4xΠxr²
= 3/4x22/7x7x7
=115,5
L.layang + L.¾lingkaran
=147+115,5 = 262,5 cm²