Flashcard Angles of Triangles

Front

What is the Triangle Sum Theorem?

Back

The Triangle Sum Theorem states that the sum of all angles in a triangle is 180°.

Tags

CCSS.8.G.A.5

Front

Solve for x: If one angle is 70° and another is 55°, what is x?

Back

x = 55°.

Tags

CCSS.8.G.A.5

Front

What is the measure of the third angle in a triangle if the other two angles are 60° and 70°?

Back

The third angle is 50°.

Tags

CCSS.8.G.A.5

Front

If a triangle has angles measuring 45° and 45°, what is the measure of the third angle?

Back

The third angle is 90°.

Tags

CCSS.8.G.A.5

Front

Solve for x: If one angle is 48° and another is x, and the third angle is 84°, what is x?

Back

x = 48°.

Tags

CCSS.8.G.A.5

Front

What is the measure of an angle that is supplementary to a 102° angle?

Back

The supplementary angle is 78°.

Tags

CCSS.7.G.B.5

Front

If two angles of a triangle are 30° and 60°, what is the measure of the third angle?

Back

The third angle is 90°.

Tags

CCSS.8.G.A.5

Front

What is the definition of complementary angles?

Back

Complementary angles are two angles whose measures add up to 90°.

Tags

CCSS.7.G.B.5

Front

If one angle of a triangle is 45° and the other is 45°, what type of triangle is it?

Back

It is an isosceles triangle.

Tags

CCSS.4.G.A.2

Front

What is the measure of an angle that is complementary to a 35° angle?

Back

The complementary angle is 55°.

Tags

CCSS.7.G.B.5