Measuring Angles in Triangles

Find the missing angle

• 49

• 96

• 47

• 84

Find the value of x by using the exterior angle theorem.

• A

• B

• C

• D

In a triangle, how many total degrees are there?

• 100%

• 180 degrees

• it varies

• 360 degrees

How many acute angles must an acute triangle have?

• 2

• 1

• 4

• 3

Which statement is true about the angle measures of the two triangles?

Tags

8.G.1

?

• Isosceles & Acute

• Isosceles & Obtuse

• Scalene & Acute

• Scalene & Obtuse

?

• Acute & Scalene

• Acute & Isosceles

• Obtuse & Scalene

• Obtuse & Isosceles

Find the exterior angle

• 100

• 55

• 45

• 80

Solve for x, then classify the triangle by its sides and angles.

• x=11. Acute isosceles triangle.

• x=11. Acute scalene triangle

• x=6. Acute isosceles triangle.

• x=6. Acute scalene triangle.

Solve for the missing indicated angle.

• 87

• 149

• 37

• 124