Maths

What is the sum of the angles in a triangle?

• 360 degrees

• 120 degrees

• 90 degrees

• 180 degrees

If one angle in a triangle is 50 degrees and another is 60 degrees, what is the measure of the third angle?

• 100 degrees

• 70 degrees

• 90 degrees

• 80 degrees

Classify a triangle with angles measuring 30°, 60°, and 90°. What type of triangle is it?

• Equilateral triangle

• Isosceles triangle

• Scalene triangle

• Right triangle (30-60-90 triangle)

In triangle ABC, angle A measures 40 degrees and angle B measures 70 degrees. What is the measure of angle C?

• 80 degrees

• 70 degrees

• 60 degrees

• 90 degrees

If a triangle has one angle measuring 120 degrees, what type of triangle is it based on its angles?

• Equilateral triangle

• Acute triangle

• Right triangle

• Obtuse triangle

What do you call a triangle with all angles measuring less than 90 degrees?

• Acute triangle

• Scalene triangle

• Right triangle

• Obtuse triangle

In triangle XYZ, angle X is 45 degrees and angle Y is 45 degrees. What is the measure of angle Z?

• 90 degrees

• 60 degrees

• 75 degrees

• 120 degrees

If a triangle has angles measuring 80°, 50°, and x°, what is the value of x?

• 30°

• 70°

• 90°

• 50°

Classify a triangle with angles measuring 45°, 45°, and 90°. What type of triangle is it?

• Equilateral triangle

• Isosceles right triangle

• Scalene triangle

• Acute triangle

What is the measure of the missing angle in a triangle if the other two angles are 75° and 45°?

• 60°

• 70°

• 80°

• 50°