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Geometry Final Exam Review. By: L. Keali’i Alicea. hexagon. A ________ has six sides. scalene. A ___________ triangle has no sides equal. When 2 angles and an included side of 2 triangles are congruent then the two triangles are said to be congruent by which postulate? . ASA.

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slide1

Geometry Final

Exam Review

By: L. Keali’i Alicea

slide2

hexagon

A ________ has six

sides.

slide3

scalene

A ___________

triangle has

no sides equal.

slide4

When 2 angles and an included side of 2 triangles are congruent then the two triangles are said to be congruent by which postulate?

ASA

slide5

Angle 4 is 95 degrees.

If angle

1 is 85

degrees,

what is

angle 4?

1

4

2

3

slide6

Angle 2 is 115 degrees.

If angle

4 is 115

degrees,

what is

angle 2?

1

4

2

3

slide7

isosceles

An _______ triangle has 2 sides of equal length.

slide8

acute

A _______ triangle

has three angles that

measure less than

90 degrees.

slide9

Two lines that are

equal distance apart

and never intersect

are ______ lines.

parallel

slide10

M is the midpoint of line AB. If AM=4x+6 and AB=52, what does

x = ____________ MB=___________

5

52

slide11

What is the converse of,

If 3x=21, then x=7.

If x=7, then 3x=21.

slide12

What postulate says, if two sides and

the included angle of two triangles

are congruent then the two triangles

are congruent?

SAS

slide13

square

A ______has four

congruent sides and

four 90 degree

angles.

slide14

Obtuse

A triangle with one

angle more than 90

degrees and 2 angles

less than 90 degrees.

slide15

isosceles

A _____ triangle has

two sides that are

equal.

slide16

When you add all the

sides of a polygon you

get the ________.

perimeter

slide17

trapezoid

A ___ is a

quadrilateral with two

parallel sides.

slide18

Skew lines

Lines not in the same

plane that are not

parallel nor intersect.

slide19

SAS Inequality Theorem

What theorem says, if two sides of

one triangle are congruent to two

sides of another triangle, but the

included angle of the 1st triangle is

larger than the included angle of the

2nd, then the third side of the 1st

triangle is longer than the 3rd side of

the 2nd triangle?

slide20

quadrilateral

A _____ is a polygon

With four sides.

slide22

fifty-seven degrees

With two

supplementary angles,

if one angle is 123

degrees, what is the

other angle?

slide23

complimentary

Two angles that

add up to 90

degrees are _____

angles.

slide24

What are the three types

of parallelograms?

  • Rectangle
  • Square
  • Rhombus
slide25

parallelogram

A ____ has four

sides and has opposite

sides congruent and

parallel.

slide26

angle

An _______ is formed

by two rays joined at

a vertex.

slide27

Vertical angles are

_______ in

measurement.

equal

slide28

18

If the bases of a

trapezoid are 14 & 24,

what is the median?

slide29

perpendicular

_______ lines are

two lines that

intersect to form

two right angles.

altitude
Altitude

A segment from a vertex of a triangle perpendicular to the line that contains the opposite side.

slide31

rectangle

A _____ has four

sides, opposite sides

equal and parallel,

4-90 degree angles.

slide32

right

A triangle with

one 90 degree

angle and two

angles less than

90 degrees.

slide33

A series of points that

goes endlessly on in

both directions is

called a ______.

line

slide34

120 degrees

30

30

What is the measure

Of the third angle?

slide35

isosceles

BC

∆ ABC has the following angles:

A= 70

B= 55

C= 55

What kind of triangle is this?

Which side is the longest?

slide36

vertex

The point at which

two rays join

together to form

an angle is called

a _______.

hl theorem
HL Theorem

What theorem says that when the hypotenuse and leg of one triangle is congruent to the hypotenuse and leg of another triangle then the two triangles are congruent?

slide38

1

2

3

4

125

5

6

7

8

If angle 1 = 125 degrees,

What does angle 8 equal?

slide39

thirty-two degrees

With two

complimentary angles,

if angle 1 is 58 degrees,

what is the measure of

angle 2?

slide40

2

1

If angle 1 is 135

degrees, what is

angle 2?

45 degrees

slide41

1. Alternating interior angles are__________

2. Same side angles are ___________

3. Corresponding angles are ___________.

  • Congruent
  • Supplementary
  • Congruent
slide42

Angles 2 and 4

are ___ angles?

4

vertical

1 3

2

slide43

regular

A _______ polygon

has equal sides.

slide44

When 2 angles and the non-included side of 2 triangles are congruent then the two triangles are said to be congruent by which postulate?

AAS

slide45

130 degrees

50 degrees

What is the measure of

the other angle?

slide46

What is the contrapositive of:

If 3x=21, then x=7.

If x ≠7, then 3x ≠ 21.

slide47

A segment from a vertex of a triangle

to the midpoint of the opposite side

is the ___________ .

median

n 2 180 n where n of sides
(n-2)180/n, where n= # of sides

What is the formula for figuring out the measure of each interior angle of a regular polygon?

What is the measure of each interior angle of a regular pentagon?

(5-2)180/5= 108o

slide49

What is the inverse of:

If 3x=21, then x=7.

If 3x ≠ 21, then x ≠7.

slide50
SSS

When three sides of two triangles are congruent, then the two triangles are said to be congruent by _________.

collinear
Collinear

Points on the same line are said to be

______________.

slide53

SSS Inequality Theorem

What theorem says, if two sides of

one triangle are congruent to two

sides of another triangle, but the 3rd

side of the 1st triangle is larger than the 3rd side of the 2nd, then the included angle of the 1st triangle is larger than the included angle of

the 2nd triangle?

angle b
Angle B

Which angle is the largest?

A

C

B

slide55
35o

The vertex of an isosceles triangle is 110o what is the measure of each base angle?

rhombus
Rhombus

A quadrilateral with four congruent sides, diagonals are perpendicular, diagonals bisect its angles.