Mathematics, 27.01.2021 17:30, williamsa24mr238org

PLZ HELP The measures of two angles of a triangle are 25° and 87°. Is the triangle acute, right, or obtuse? Explain.

A.

Acute; the measure of the third angle is 68°. So all three angles are acute.

B.

Acute; the measure of the third angle is 78°. So all three angles are acute.

C.

Obtuse; 25° + 87° = 112° and 112° is an obtuse angle.

D.

Right; 25° + 87° = 112° and 202°

−

112° = 90°.

Answers: 3

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PLZ HELP The measures of two angles of a triangle are 25° and 87°. Is the triangle acute, right, or...