A triangular lot bounded by 3 streets has a frontage of 300 feet on one street, 250 feet on the second, and 420 feet on the

Question

A triangular lot bounded by 3 streets has a frontage of 300 feet on one street, 250 feet on the second, and 420 feet on the third. Find the measure of the largest angle between the two streets bounding the lot. 
81°
99°
135°

Kunduz · Accepted Answer

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