nomor 2 question bantu
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Diketahui:
Luas (L) = 198 cm²
diagonal (a) = 22 cm
ditanya diagonal (b)
L = a×b/2
2×L = ab
b = (2×L)/a
b = (2×198)/22
b = 198/11
b = 18 cm
Panjang diagonal lainnya
adalah 18 cm
