Question

 please tell me the answer
I don’t understand

Answer 1

1. acute 2. right 3. obtuse

Explanation:

first triangle is Acute because all the angles are less than 90 degrees.

second triangle is Right because there is a 90 degree angle.

last is Obtuse because there is one angle that is greater than 90 degrees.

Answer 2

Acute, Right and Obtuse

Explanation:

The first triangle is Acute because all the angles are less the 90 degrees.

The second triangle is Right because there is a 90 degree angle in it. A Right Angle is marked with a square in the corner.

The last is Obtuse because there is one angle that is greater than 90 degrees.