Perhatikan gambar berikut! Jika AB= 20 cm, EF = 12 cm BC=35 cm FG=15 tentukan:
a. panjang BE
b. panjang AD
a. panjang BE
b. panjang AD
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Jawaban:
a. 21 cm
b. 35 cm.
Penjelasan dengan langkah-langkah:
a. BC/AB x BE/EF
35/20 x BE/12
35 x 12 = 420
20BE= 420: 20
BE= 21
b. BC/AB x AD/EF
35/20 x AD/12
35 x 12= 420
=420 : 12
AD= 35