Question

Under which angle conditions could a triangle exist? Check all that apply.

3 acute angles
2 acute angles, 1 right angle
1 acute angle, 1 right angle, 1 obtuse angle
1 acute angle, 2 obtuse angles
2 acute angles, 1 obtuse angle
O

Answer 1

3 acute angles

2 acute angles, 1 right angle

2 acute angles, 1 obtuse angle

Or 1, 2 , 5

Explanation:

Answer 2

3 acute angles.

2 acute angles, 1 right angle.

2 acute angles, 1 obtuse angle.

Explanation:

The 3 angles in a triangles add up to 180 degrees.

Acute angles are < 90 degrees.

A right angle = 90 degrees,

Obtuse angles are > 90 degrees.