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Mathematics 7 Online
OpenStudy (anonymous):

Can someone help me?? can you show your work or how you got your answer thanks !

OpenStudy (anonymous):

OpenStudy (whpalmer4):

First step is to remember the definition of the complement of an angle and the supplement of an angle :-)

OpenStudy (anonymous):

ok

OpenStudy (whpalmer4):

Do you remember what they are?

OpenStudy (anonymous):

@whpalmer4 sorta can you tell me?

OpenStudy (austinl):

Complementary is similar to corner. Which means that the two angles add up to 90 degrees. Supplementary is similar to straight, as in line. The two angles add up to 180 degrees.

OpenStudy (anonymous):

ok so how do i complete it

OpenStudy (austinl):

From that definition, it should be fairly simple and straight forward.

OpenStudy (anonymous):

well its not really

OpenStudy (austinl):

52+x=90 52+x=180 Solve for x in both of those. There you go.

OpenStudy (whpalmer4):

what number + 52 gives you 90? 90-52 = ?

OpenStudy (anonymous):

52+38=90 52+128=180 like that?

OpenStudy (whpalmer4):

exactly!

OpenStudy (anonymous):

so thats my answer for this problem??

OpenStudy (austinl):

Correct, x=38 x=128 Now, which one is complementary and which is supplementary.

OpenStudy (whpalmer4):

and the supplement of an angle is always 90 degrees more than the complement. We can check your answers for consistency: 38+90 = 128 so they are consistent with each other.

OpenStudy (anonymous):

is 128 supplementary

OpenStudy (ja1):

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