29. Perhatikan gambar berikut! 15 cm 15 cm Keliling bangun tersebut adalah ... cm. a. 77,18 b. 85,65 C. 92,42 d. 94,26
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Jawaban:
jadikan jawaban tercerdas ya
Penjelasan dengan langkah-langkah:
Keliling =
( 1/2 x 3,14 x 30) + ( 1/2 x 3,14 x 15) + 15
= 47,1 + 23,55 + 15
= 85,65 cm
B