Triangles

The sum of angles in a triangle is ___  $\degree$  .

• 90 

• 120

• 180

• 360

Find x.

The figure shows a ________ triangle.

• acute

• right-angled

• obtuse

Find x.

Find x.

Find x.

Is the triangle a right - angled triangle?

A triangle has three angles 26°, 59°, and 95°. What kind of triangle is it?

• acute triangle

• right triangle

• obtuse triangle

• none of the above

An angle that is less than 90° is called a ____ angle.

• Acute

• Obtuse

• Right

• Straight

Find x.

• $154\degree$

• $26\degree$
  

• $180\degree$
  

• $64\degree$