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Mathematics 9 Online
OpenStudy (anonymous):

I'll give medals!!! What kind of angle is formed when two right angles are placed back to back, so they have one ray in common? A. Obtuse B. Right C. Straight D. Acute

OpenStudy (korosh23):

1.) The angle formed when two right angles are placed back to back is called a: D Strait angle because when you put them back to back the angles add up to 180 degrees. 90 + 90=180 A straight angle measures 180 degrees.

OpenStudy (anonymous):

So it's straight?

OpenStudy (korosh23):

|dw:1427598752617:dw|

OpenStudy (korosh23):

|dw:1427598810480:dw|

OpenStudy (korosh23):

Yes it would be straight line.

OpenStudy (anonymous):

Where'd you get that pic

OpenStudy (korosh23):

You can draw it. It is next to the answer box.

OpenStudy (anonymous):

Ah

OpenStudy (anonymous):

Well thanks dude :]

OpenStudy (korosh23):

No problem. Thanks for the fan and medal. :)

OpenStudy (anonymous):

Yea sure thing

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