Question

A triangle has angle measurements of 89°, 78°, and 13°. What kind of triangle is it?

Answer 1

Answer:

acute triangle

Step-by-step explanation:

For an acute, the angles should be less than 90°

right should be equal to 90°

obtuse, angles should be less than 180 but greater than 90

Answer 2

Answer:

3. acute

Step-by-step explanation:

The triangle is an acute angle as all its measures are less than (<) 90°.

89° < 90°

78° < 90°

13° < 90°

=》Triangle → c. acute