Question

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°.

Answer 1

i think this is right A

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

:]

Explanation:

Answer 2

The answer is A all three angles are acute (less than 90°)