Panjang 100 cm lebar .... Keliling persegi panjang 312 cm
Matematika
yudha951
Pertanyaan
Panjang 100 cm lebar .... Keliling persegi panjang 312 cm
2 Jawaban
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1. Jawaban putriiiiiiii1
2 x 100 = 200
312 - 200 = 112
112 ÷ 2 =56cm -
2. Jawaban fatimah3085
k = 2 × (p + l)
312 = 2 × (100 + l)
100 + l = 312 ÷ 2
100 + l = 156
l = 156 - 100
l = 56 cm
L = p × l
L = 100 × 56
L = 5600 cm²