Answer:
12 cm³
Step-by-step explanation:
Formula :
input
3²(4/3)
x3 and /3 cancel out
remaining = 3(4) = 12
units = cm³
12 cm³
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Solve using substitution. y = 1 3х +6y = 18
2 answers:
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Answer:
Step-by-step explanation:
a) Pythagorean theorem,
altitude² + base² = hypotenuse²
h² + (w² - 1)² = (w² + 1)²
h² = (w² + 1)² - (w² - 1)²
{Compare with (a + b)² - (a -b)² = 4ab where a =w² & b = 1}
h² = 4*w²*1
h² = 4w²
b) Area of triangle =
c) w =2
Area of triangle = 3w = 3*2 = 6