Classify Triangles, Sides of Triangles, Triangle Sum, Exterior Angles

The sum of the interior angles of a triangle is?

• 90%

• 180 degrees

• it varies

• 360 degrees

Tags

CCSS.8.G.A.5

Given the triangle sum theorem, what relationship do the acute angles of a right triangle have?

• complementary

• supplementary

• linear pair

• congruence

Tags

CCSS.8.G.A.5

Find the measure of the indicated angle. 

• 26

• 36

• 85

• 144

Tags

CCSS.8.G.A.5

Find the missing angle.

• 29° 

• 39° 

• 49° 

• 59° 

Tags

CCSS.7.G.B.5

A triangle has angle measurements of 54°, 52°, and 74°. What kind of triangle is according to the measure of its angles?

• acute triangle

• right triangle

• obtuse triangle

• none of the above

Tags

CCSS.4.G.A.2

Find the perimeter of this triangle.

• 12 in

• 22 in

• 18 in

• 24 in

Tags

CCSS.3.MD.D.8

Every exterior angle of a triangle forms __________________ with an interior angle

• a linear pair

• vertical angles

• complementary angles

• a triangle

Tags

CCSS.8.G.A.5

The measure of an exterior angle of a triangle is equal to _________________.

• The sum of the measures of the remote interior angles.

• The sum of the measures of the interior angles.

• The measure of its adjacent interior angle.

• 360

Tags

CCSS.8.G.A.5

We know that equilateral triangles are just special isosceles triangles. What does the base angles theorem tell us must be another property of an equilateral triangle?

• It's also equiangular (it has 3 congruent angles)

• It also has exactly two congruent angles.

• All of its sides are congruent.

Tags

CCSS.4.G.A.2

• 159

• 31

• 149

• 21

Tags

CCSS.8.G.A.5