Math 2 Unit 3 Flashcard

Front

If angle 4 is x + 15 and angle 2 is 3x - 5, what is the value of x?

Back

10

Front

What are supplementary angles?

Back

Angles that add up to 180°.

Front

Find the trig value rounded to the nearest ten-thousandth. Tan(42°)

Back

.9004

Front

Name the angle relationship: two angles that are opposite each other when two lines intersect.

Back

Vertical Angles

Front

If angle 8 is 63 degrees, how many degrees is angle 2?

Back

63 degrees because angle 8 & 2 are alternate exterior angles.

Front

What is the definition of complementary angles?

Back

Angles that add up to 90°.

Front

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

Back

180°.

Front

What is the definition of vertical angles?

Back

Angles that are opposite each other when two lines intersect.

Front

What is the relationship between corresponding angles when two parallel lines are cut by a transversal?

Back

They are equal.

Front

If two angles are supplementary and one angle measures 70°, what is the measure of the other angle?

Back

110°.