Penjelasan dengan langkah-langkah:
A.
4 x s = K
4 x s = 160 cm
s = 160cm/4
s = 40 cm
Panjang diagonal persegi.
d = s√2
d = 40√2 cm ✓
B.
p x l = L
p x 9 = 108 cm²
p = 108/9
p = 12 cm
Panjang diagonal persegi panjang.
d = √(p² + l²)
d = √(12² + 9²)
d = √(144 + 81)
d = √225
d = 15 cm ✓
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Penjelasan dengan langkah-langkah:
A.
4 x s = K
4 x s = 160 cm
s = 160cm/4
s = 40 cm
Panjang diagonal persegi.
d = s√2
d = 40√2 cm ✓
B.
p x l = L
p x 9 = 108 cm²
p = 108/9
p = 12 cm
Panjang diagonal persegi panjang.
d = √(p² + l²)
d = √(12² + 9²)
d = √(144 + 81)
d = √225
d = 15 cm ✓