High School Geometry Review

Angles

100

Two perpendicular lines intersect and create

this type of angle.

A right angle

200

Name for 2 angles that have a sum of 90 degrees ?

complementary angles

300

IF 2 parallel lines are cut by a transversal, 

then the consecutive interior angles are ____?__

supplementary

400

Angles 1 and 2 are vertical angles.

If angle 1 = 48^o then what is the measure of angle 2?

48^o

500

Two adjacent angles that are supplementary are called?

a linear pair

Lines & segments

100

What is the least amount of points needed to create one line?

2 points

200

If Q is between A and M and MQ = 7.3 and AQ = 8.5, then AM = ___?

15.8

300

What do you call 2 lines that don't intersect AND are not in the same plane???

skew lines

400

Line a has a slope of 1/2.  If line a is parallel to line b, then what is the slope of line b?

1/2

500

Lines a and b are perpendicular.

If line a has a slope of 2/3, then line b has what slope?

-3/2

Triangles

100

A triangle with no equal sides is called   ?

scalene

200

An equiangular triangle has each angle that

measures   ?  

60^o

300

In a triangle ABC, angle A = 56^o, angle B =78^o, then

what is the measure of angle C ??

46^o

400

A triangle with all angles less than 90 degrees is called

an _______?     _____   triangle

acute

500

An Isosceles triangle has one of the base angles that 

equals 55^o.  What is the measure of the vertex angle in the triangle?

70^o

Vocabulary

100

This describes a location.  It has no width or length.

a point

200

to cut an angle in half

bisect

300

This is the point that cuts a segment into 2 equal parts.

midpoint

400

2 angles or 2 segments with the same measure are called  ?

congruent

500

2 lines that intersect at right angles

perpendicular lines