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Bell Work: Definitions

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Bell Work: Definitions

Copy all of the terms below into your review book on page 3!

Point- names a location, has no size.

Line – straight path with no thickness-extends forever

Plane- a flat surface with no thickness

Coplanar- points that lie in the same plane

Skew- non-intersecting, non-parallel lines

Ray-part of a line with one endpoint.

Segment-part of line with two endpoints.

1. Congruent

2. Adjacent Angles

3. Complimentary

4. Two planes intersect in a

5. Opposite Rays

(A) Two rays that share an endpoint

(B) Two angles whose sum is 90.

(C) Same size

(D) Two Angles that share a ray

(E) Line

COPY AND COMPLETE ONTO PAGE 3 OR 4 IN REVIEW BOOKLET!!!

Ray

Segment

Line

plane

Point

Acute Angle

Obtuse

Angle

Acute Angle

Make sure to draw a diagram.

C is between A and E. If AC = 24 in. and CE = 13 in., AE = _____

Identify the following:

Intersection of planes ADC and GDC

Two parallel lines

Two parallel planes

Find MN if N is between M and P, MN = 3x + 2,

NP = 18, and MP = 5x.

3x + 2

18

M

P

N

5x

MN = 3 (10 ) + 2

MN = 32

3x + 2 + 18 = 5x

3x + 20 = 5x

-3x -3x

20 = 2x

2 2

10 = x

Given:

m<RSV = x + 5

M<VST = 3x – 9

M<RST = 68

Find x.

R

V

Extension: Now that you know x = 18, find m<RSV and m<VST.

m<RSV = x + 5

m<RSV = 18 + 5 = 23

m<VST = 3x – 9

m<VST = 3(18) – 9 = 45

Check:

m<RSV+ m<VST= m<RST

23+ 45 =68

S

T

Set up an equation using the Angle Addition Postulate.

m<RSV+ m<VST= m<RST

x + 5 + 3x – 9 = 68

4x- 4 = 68

4x = 72

x = 18

Plug in what you know.

Solve.