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Mathematics 18 Online
Kaihalojr:

Without using a protractor to measure exactly, choose the BEST possible measurement of the angle above. A) 90 degrees B) 45 degrees C) 85 degrees Eliminate D) 160 degrees

Kaihalojr:

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Kaihalojr:

looks like B

563blackghost:

I agree.

silvernight269:

Yup

Kaihalojr:

Defined by distinct lines in the same plane which never intersect each other and have the same slope. A) angle B) circle C) parabola D) parallel lines

Kaihalojr:

this is the next one XD

563blackghost:

lines that never intersect but contain the same slope are known as parallel lines.

Kaihalojr:

Extends infinitely in opposite directions Which term matches the definition? A) angle B) line C) ray D) segment

Kaihalojr:

C right?

Kaihalojr:

∠DAC and ∠CAB are adjacent. m∠DAC = 53°, m∠DAB = 64°. What is the measure of ∠CAB? A) 11° B) 117° C) 53° D) 64°

563blackghost:

It's not C, it would be B. A line has no endpoint, a ray has one endpoint.

Kaihalojr:

oh thanks

Kaihalojr:

I think the other one is A 11

Kaihalojr:

is that right?

563blackghost:

Yes.

Kaihalojr:

is this right?

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563blackghost:

Correct.

Kaihalojr:

I think this is C

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