Triangle and Angles Review

What is the measure of the missing angle?

• 82

• 43

• 55

• 180

Solve for x.

• 16

• 11

• 50

• 6

In a triangle, how many total degrees are there?

• 360

• 180

• 90

• 270

If 2 of the angles of a triangle are 30 and 70 degrees, the third angle measures...

• 80

• 60

• 100

• 90

• 1

• 2

• 3

• 2x-6=7x+4

• 2x-6+7x+4=180

• 2x-6+7x+4=90

• 2x-6+7x+4=360

• 2x-6=7x+4

• 2x-6+7x+4=90

• 2x-6+7x+4=180

• 2x-6+7x+4=360

An angle that measures less than 90 degrees is an _____ angle.

• 2x-6=7x+4

• 2x-6+7x+4=90

• 2x-6+7x+4=180

• 2x-6+7x+4=360

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles