Mixed Practice-Triangle,Interior angles and exterior angles

What is the Triangle Sum Theorem?

• The sum of the lengths of any two sides of a triangle is greater than the length of the third side.

• An exterior angle of a triangle is equal to the sum of the remote interior angles of the triangle.

• The exterior angles of a triangle are complementary

• The interior angles of a triangle add up to 180°

Tags

CCSS.8.G.A.5

What is the Exterior Angle Theorem?

• Interior angles of a triangle add up to 180°

• An exterior angle of a triangle is equal to the sum of the remote interior angles of the triangle

• Exterior angles of a triangle are complementary

• The sum of the lengths of any two sides of a triangle is greater than the length of the third side

Tags

CCSS.8.G.A.5

Find the value of the indicated angle

• 70°

• 80°

• 90°

• 142°

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle?

• 75°

• 45°

• 145°

• 55°

Tags

CCSS.8.G.A.5

What is the value of x?

• -4

• -11

• -8

• 10

Tags

CCSS.7.G.B.5

What is the value of x?

• -8

• 3

• -7

• 11

Tags

CCSS.8.G.A.5

What is the value of x?

• 12

• 6

• 5

• -7

Tags

CCSS.8.G.A.5

What is the value of x?

• 8

• 5

• 12

• 6

Tags

CCSS.8.G.A.5

What is the value of angle DTU

• 97°

• 93°

• 120°

• 60°

Tags

CCSS.7.G.B.5

What is the measure of angle B?

• 47°

• 57°

• 46°

• 58°

Tags

CCSS.8.G.A.5