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An isosceles triangle is a triangle with two sides that are the same length. Find the measure of the two equal angles to the nearest degree in a triangle that has sides of length 5ft., 5ft., and 6ft.
15 years ago

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Reiny
In your isosceles triangle create a right-angled triangle with a base of 3 and hypotenuse of 5


then cos(theta) = 3/5
theta = 53.13º
15 years ago

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