Anna R.

asked • 12/02/20

an isosceles triangle (AC= AB) and a semicircle

Calculate the length of AB

Philip P.

tutor
Part of the problem statement seems to be missing. What is the relation of the semi-circle to the triangle? Is there a figure you can attach?
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12/02/20

Brenda D.

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Agreed.
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12/02/20

1 Expert Answer

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Raymond B. answered • 12/02/20

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If the triangle has point A at the top of the semi circle and C & B at the ends of the bottom of the semicircle, then the height of the triangle = radius of the semicircle and the base of the triangle = twice the radius

AC = AB = square root of 2 times the radius = 1.414r where r= radius

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