Unit 8.1 Test

Front

An ISOSCELES triangle has _____________.

Back

at least 2 equal sides and 2 equal angles.

Front

What is a supplementary angle?

Back

Two angles whose sum is 180 degrees.

Front

An EQUILATERAL triangle has ___________.

Back

3 equal sides.

Front

If the measure of angle 7 is 115 degrees, what is the measure of angle 2?

Back

115 degrees.

Front

If angle 6 is 25 degrees, how many degrees is angle 7?

Back

155 degrees.

Front

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

Back

180 degrees.

Front

What do you call a triangle with no equal sides?

Back

Scalene triangle.

Front

What is the definition of complementary angles?

Back

Two angles whose sum is 90 degrees.

Front

What is the measure of each angle in an equilateral triangle?

Back

60 degrees.

Front

What is the relationship between angles that are vertically opposite?

Back

They are equal.