Mastery Angles Pythagorean

Vertical angles are always

• acute

• total 180 degrees

• congruent (equal measures)

• adjacent angles

Supplementary angles always add up to

Find x, the missing side length of the right triangle. (answer with the number only round to the nearest 10th)

A 41-foot ladder is placed against a vertical wall of an apartment building. The base of the ladder

is 9 feet from the base of the apartment building.

How many feet up the apartment building is the top of the ladder?

• 40 feet

• 50 feet

If side b is 16 and side c is 20, how long is side a?

• 4

• √36

• 12

• 36

Find x, the missing side length of the right triangle. (answer with the number only round to the nearest 10th)

How long is x in inches?

• 1

• 5

• 25

• √313

This is what kind of angle?

• obtuse

• right

• straight

• acute

What angle is vertical to angle 2?

• ∠4

• ∠1

• ∠2

• ∠5

Complementary angles always add up to