4.1 and 4.2 Flashcard Review

Front

If all three angles are exactly the same measure, how big is each angle? (Hint: x + x + x = 180)

Back

60 degrees

Front

Find the measure of the angle indicated.

Back

66°

Front

Solve for x: 3x = 27

Back

x = 9

Front

Find the missing angle if one angle is 62° and another is 118°.

Back

118°

Front

A scalene triangle has...

Back

No congruent sides.

Front

What is the sum of the angles in a triangle?

Back

180 degrees.

Front

What do you call a triangle with two equal sides?

Back

Isosceles triangle.

Front

What is the measure of a right angle?

Back

90 degrees.

Front

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

Back

Right triangle.

Front

What is the term for angles that add up to 90 degrees?

Back

Complementary angles.