Missing Angle, Triangles, Angle Sum and Slope Activity

Front

What is the sum of the interior angles of a triangle?

Back

180 degrees

Front

What type of triangle has all sides of different lengths?

Back

Scalene Triangle

Front

What type of triangle has at least two sides of equal length?

Back

Isosceles Triangle

Front

What type of triangle has one angle greater than 90 degrees?

Back

Obtuse Triangle

Front

What type of triangle has all angles less than 90 degrees?

Back

Acute Triangle

Front

How do you find the measure of a missing angle in a triangle?

Back

Subtract the sum of the known angles from 180 degrees.

Front

What is the formula for calculating the slope of a line?

Back

Slope (m) = (y2 - y1) / (x2 - x1)

Front

What is the slope of a horizontal line?

Back

0

Front

What is the slope of a vertical line?

Back

Undefined

Front

If two angles in a triangle are 56 degrees and 72 degrees, what is the measure of the third angle?

Back

52 degrees