Understanding Triangle Angles Quiz

What is the measure of a right angle?

• 45 degrees

• 90 degrees

• 180 degrees

• 360 degrees

Tags

CCSS.4.G.A.1

Which type of triangle has one angle that is exactly 90 degrees?

• Acute triangle

• Obtuse triangle

• Right triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2

What is the sum of the angles in any triangle?

• 90 degrees

• 180 degrees

• 270 degrees

• 360 degrees

Tags

CCSS.8.G.A.5

Which type of triangle has all angles less than 90 degrees?

• Acute triangle

• Obtuse triangle

• Right triangle

• Scalene triangle

Tags

CCSS.4.G.A.2

Which type of triangle has one angle greater than 90 degrees?

• Acute triangle

• Obtuse triangle

• Right triangle

• Isosceles triangle

Tags

CCSS.4.G.A.2

If one angle of a triangle is 90 degrees, what is the sum of the other two angles?

• 45 degrees

• 90 degrees

• 180 degrees

• 270 degrees

Tags

CCSS.8.G.A.5

In a right triangle, if one angle is 30 degrees, what is the measure of the other non-right angle?

• 30 degrees

• 45 degrees

• 60 degrees

• 90 degrees

Tags

CCSS.7.G.B.5

Which of the following is NOT a property of a right triangle?

• It has one 90-degree angle.

• The sum of its angles is 180 degrees.

• All sides are equal.

• It can have two equal angles.

Tags

CCSS.HSG.CO.C.10

What is the measure of an obtuse angle?

• Less than 90 degrees

• Exactly 90 degrees

• More than 90 degrees but less than 180 degrees

• Exactly 180 degrees

Tags

CCSS.4.G.A.1

If a triangle has angles measuring 60 degrees, 60 degrees, and 60 degrees, what type of triangle is it?

• Acute triangle

• Obtuse triangle

• Right triangle

• Equilateral triangle

Tags

CCSS.4.G.A.2