22² + 40³ - 70²
= (22 × 22) + (40 × 40 × 40) - (70 × 70)
= 484 + 64.000 - 490
= 64.484 - 490
= 63.994
L = 2.500
s² = 2.500
s = √2.500
s = √50²
s = 50 cm
K = 4s
K = 4 × 50
K = 200 cm
jawab:
22² + 40³ - 70³
= 484 + 64.000 - 4.900
= 59.584
Luas = s²
2.500 = s²
s = √2.500
s = 50
Keliling = 4
Keliling = 4 × 50 = 200
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Nomor 1
22² + 40³ - 70²
= (22 × 22) + (40 × 40 × 40) - (70 × 70)
= 484 + 64.000 - 490
= 64.484 - 490
= 63.994
Nomor 2
L = 2.500
s² = 2.500
s = √2.500
s = √50²
s = 50 cm
K = 4s
K = 4 × 50
K = 200 cm
jawab:
22² + 40³ - 70³
= 484 + 64.000 - 4.900
= 59.584
-------------------------------------
Luas = s²
2.500 = s²
s = √2.500
s = 50
Keliling = 4
Keliling = 4 × 50 = 200