Which lines must be parallel if 15 is congruent to 7?
A. x and z
B. c and d
C. x z and c d
D. no lines are parallel

- anonymous

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- anonymous

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- anonymous

c and d.....as 15 and 7 are the equal alternate angles.....so c and d will be parallel

- anonymous

Which of the following is a point on the line shown?
A. AB
B. B
C. AC
D. D

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- anonymous

B, duh :P AB n AC are line segments, D doesnt exist.

- anonymous

Which lines must be parallel if 2 is congruent to 5?
A. x and z
B. c and d
C. x z and c d
D. no lines are parallel

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- anonymous

2 will be always congruent to 5, they are verticall opposite angles, so no lines are parallel

- anonymous

How many planes are in the following figure
A. 3
B. 4
C. 5
D. 6

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- anonymous

how many does it look like?

- anonymous

6

- anonymous

exactly :)

- anonymous

What is the length of segment AD on the number line below?
A. -5
B. -3
C. 3
D. 5

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- anonymous

how long does it look like?

- anonymous

to tell you the truth i really dont know how this one works

- anonymous

length can never be negative, right?? here, A to B is 1, B to C is 1, and C to D is 1, and that adds up to????

- anonymous

3

- anonymous

see? it's not even close to 'tough'

- anonymous

Identify A and B
as either vertical, complementary, or supplementary angles.
A. Vertical
B. Complementary
C. Supplementary

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- anonymous

do u know what vertical angle, complementary angle and supplementary angle mean?

- anonymous

no

- anonymous

ok i dont think it is A so it is either B or C

- anonymous

vertical angles are those opposite angles that form when two lines intersect.....when two angles sum up to 90 they are called complementary angles, and when they sum up to 180 they are called supplementary angles.....what do u think about this one?? how much do they sum up to?

- anonymous

i think it is C

- anonymous

@tanvirms Complementary angles are two angles with a sum of 90º.
Supplementary angles are two angles with a sum of 180º.
Vertical angles are two angles whose sides form two pairs of opposite rays. We can think of these as opposite angles formed by an X.

- anonymous

i think it is C but i am not sure

- anonymous

Please create a new post for each new question! It makes it easier for the rest of us to find and answer your questions!

- cwrw238

A + B = 90

- cwrw238

angles A and B that is

- anonymous

@SoulSand yeah thats what i said :)

- anonymous

A+B=90 so they are complementary

- anonymous

In the above figure, find m

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- anonymous

28+47+65-47

- anonymous

93

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