Classifying triangles and Interior and exterior angles

In a triangle, how many total degrees are there?

• 100%
• 180 degrees
• it varies
• 360 degrees

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle.

• 95

• 45

• 35

Which of the following terms best describes Angle d?

• interior angle

• Exterior angle

Look at the sides of this triangle. What type of triangle is this?

• Equilateral

• Isosceles

• Scalene

Look at the sides of this triangle. What type of triangle is this?

• scalene

• equilateral

• isosceles

Classify by its angles.

• acute

• right

• obtuse

Acute angles mean...

• the angle is exactly 90 degrees

• the angle is less than 90 degrees

• the angle is more than 90 degrees

Tags

CCSS.4.G.A.1

Which of the following angles can you add together to equal angle d?

• Angle a and Angle b

• Angle b and Angle c

• Angle a and Angle c

Find the measure of the indicated angle.

• 145

• 113

• 102

An acute triangle has __________ angles that each measure less than 90°.

• one

• two

• three