Missing Angle, Triangles, Angle Sum and Slope Test

Front

What is a triangle?

Back

A triangle is a three-sided polygon that has three angles.

Tags

CCSS.2.G.A.1

Front

What is the sum of the angles in a triangle?

Back

The sum of the angles in a triangle is always 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is a missing angle?

Back

A missing angle is an angle in a geometric figure that needs to be calculated based on the known angles.

Tags

CCSS.4.MD.C.7

Front

How do you find a missing angle in a triangle?

Back

To find a missing angle in a triangle, subtract the sum of the known angles from 180 degrees.

Tags

CCSS.8.G.A.5

Front

What is the definition of slope?

Back

Slope is a measure of the steepness of a line, calculated as the rise over the run.

Tags

CCSS.8.EE.B.5

Front

What is the formula for calculating slope?

Back

Slope (m) = (y2 - y1) / (x2 - x1) where (x1, y1) and (x2, y2) are two points on the line.

Tags

CCSS.8.EE.B.5

Front

If one angle of a triangle is 90 degrees, what type of triangle is it?

Back

It is a right triangle.

Tags

CCSS.4.G.A.2

Front

What is an acute angle?

Back

An acute angle is an angle that measures less than 90 degrees.

Tags

CCSS.4.G.A.1

Front

What is an obtuse angle?

Back

An obtuse angle is an angle that measures more than 90 degrees but less than 180 degrees.

Tags

CCSS.4.G.A.1

Front

If two angles in a triangle are 50 degrees and 70 degrees, what is the measure of the third angle?

Back

The third angle measures 60 degrees.

Tags

CCSS.8.G.A.5