LT2C Review

Front

What is an isosceles triangle?

Back

An isosceles triangle is a triangle that has at least two sides of equal length, which also means that the angles opposite those sides are equal.

Front

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

Back

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

Front

How do you find the measure of an unknown angle in an isosceles triangle?

Back

To find the measure of an unknown angle in an isosceles triangle, you can use the fact that the sum of the angles in a triangle is 180 degrees and that the two equal angles are the same.

Front

What is a parallelogram?

Back

A parallelogram is a four-sided figure (quadrilateral) where opposite sides are parallel and equal in length.

Front

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

Back

The sum of the interior angles of a parallelogram is always 360 degrees.

Front

What is the relationship between opposite angles in a parallelogram?

Back

In a parallelogram, opposite angles are equal.

Front

What is the relationship between adjacent angles in a parallelogram?

Back

In a parallelogram, adjacent angles are supplementary, meaning they add up to 180 degrees.

Front

If one angle of a parallelogram measures 115 degrees, what is the measure of the opposite angle?

Back

The opposite angle will also measure 115 degrees.

Front

If one angle of a parallelogram measures 65 degrees, what is the measure of the adjacent angle?

Back

The adjacent angle will measure 115 degrees, since adjacent angles in a parallelogram are supplementary.

Front

How do you calculate the measure of an angle in a parallelogram if you know one angle?

Back

To calculate the measure of an angle in a parallelogram, use the fact that opposite angles are equal and that adjacent angles are supplementary.