Understanding Triangle Angles

What is the total sum of the interior angles of any triangle?

• 360°

• 180°

• 90°

• 270°

If a triangle has angles measuring 65° and 90°, what is the measure of the third angle?

• 55°

• 45°

• 35°

• 25°

In a triangle with angles 65°, 90°, and T, what is the value of T?

• 35°

• 45°

• 15°

• 25°

In an isosceles triangle with one angle measuring 50°, what is the measure of each of the other two angles?

• 60°

• 50°

• 70°

• 65°

If an isosceles triangle has one angle of 50°, what is the sum of the other two angles?

• 130°

• 100°

• 140°

• 120°