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Mathematics 7 Online
zarkam21 (zarkam21):

Help please

zarkam21 (zarkam21):

OpenStudy (agent0smith):

There's a couple of ways to do this, but you did one like this yesterday.

OpenStudy (agent0smith):

http://www.regentsprep.org/regents/math/geometry/gp15/circleangles.htm Remember #2 on this page.

zarkam21 (zarkam21):

Yes, so do I just multiply

OpenStudy (agent0smith):

Inscribed Angle = 1/2 * Intercepted Arc You have the angle, and need the arc.

zarkam21 (zarkam21):

72/2

OpenStudy (agent0smith):

No, you have the angle. You need the arc.\[\theta = \frac{ 1 }{2 } *arc\]

zarkam21 (zarkam21):

Well is the arc provided or do I need to solve for the arc

OpenStudy (agent0smith):

See my last post :P

zarkam21 (zarkam21):

Ohh lol

zarkam21 (zarkam21):

Sooo is it maybe division

OpenStudy (agent0smith):

You have the angle. Plug it into the formula i gave and solve for the arc.

zarkam21 (zarkam21):

72=1/2 * arc ,, right?

OpenStudy (agent0smith):

Wait, no. Look at the diagram. What is the angle?

zarkam21 (zarkam21):

38

OpenStudy (agent0smith):

Now look back at what you plugged in as the angle :P

zarkam21 (zarkam21):

Haha dang I'm a wreck today

zarkam21 (zarkam21):

38=1/2 * arc

zarkam21 (zarkam21):

Right?

zarkam21 (zarkam21):

76?

OpenStudy (agent0smith):

RRight

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