k=4s
52=4(2x+1)
52=8x+4
52-4=8x
8x=48
x=6cm
sisi=2(6)+1=12+1=13cm
Maka luasnya
13²=169cm²
Semoga bermanfaat
panjang sisi
K = 4 × s
52 = 4 × (2x + 1)
52 = 8x + 4
8x = 52 - 4
8x = 48
x = 48/8
x = 6 cm
sisi = 2x + 1
= 2(6) + 1
= 12 + 1
= 13 cm
Luas
L = s × s
L = 13 × 13
L = 169 cm²
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Penyelesaian
k=4s
52=4(2x+1)
52=8x+4
52-4=8x
8x=48
x=6cm
sisi=2(6)+1=12+1=13cm
Maka luasnya
13²=169cm²
Semoga bermanfaat
panjang sisi
K = 4 × s
52 = 4 × (2x + 1)
52 = 8x + 4
8x = 52 - 4
8x = 48
x = 48/8
x = 6 cm
sisi = 2x + 1
= 2(6) + 1
= 12 + 1
= 13 cm
Luas
L = s × s
L = 13 × 13
L = 169 cm²