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How do you find the function that models the area A of an equilateral triangle in terms of the length X of one of its sides?
Wiki User
∙ 14y ago
The area of any triangle is (1/2) x (the base) x (the height). If the length of the side of the equilateral triangle is 'X', then its height is (X/2) x sqrt(3). Its area is then (1/2) x (X) x [ (X/2) x sqrt(3) ] = X2sqrt(3) / 4
Wiki User
∙ 14y ago
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A right triangle has one leg four times as long as the other Find a function that models its perimeter P in terms of the length x of the shorter leg?
Legs are 'x' and '4x'.Hypotenuse is sqrt(17x2) = x sqrt(17)Perimeter = x [ 5 + sqrt(17) ]
A right triangle has one leg two times as long as the other Find a function that models its perimeter P in terms of the length x of the shorter leg?
P = x3 + sqroot(x*x + x2*x2) x3 is the combined length of the two sides. Using pythagorean theory we find the hypotenuse, and add it to the other two sides to find the perimeter.
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