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Mathematics 15 Online
OpenStudy (anonymous):

∠AVC and ∠BVC are adjacent angles. If M∠AVC = 2X+2, M∠BVC = 4X - , and M∠AVB = 103º, solve for X and find the measurements for M∠AVC and M∠BVC. Please explain it. I don't just want the answer. Thanks.

OpenStudy (anonymous):

EDIT: M∠BVC = 4X - 7

OpenStudy (kc_kennylau):

|dw:1396761050719:dw|

OpenStudy (kc_kennylau):

What's the degree of a full circle?

OpenStudy (anonymous):

It's not a circle. You're suppose to find the degree of each angle that add up to 103º.

OpenStudy (kc_kennylau):

Okay then: |dw:1396761234885:dw|

OpenStudy (anonymous):

but how do I find the degree of each angle?

OpenStudy (kc_kennylau):

You solve for x first

OpenStudy (kc_kennylau):

The two angles add up to 103\(^\circ\)

OpenStudy (anonymous):

so I add 2x+2 and4x-7?

OpenStudy (kc_kennylau):

Yep

OpenStudy (anonymous):

ok, whats next?

OpenStudy (kc_kennylau):

Equals 103

OpenStudy (anonymous):

okay, I got that. How to I find the individual degrees for each angle?

OpenStudy (kc_kennylau):

What's x?

OpenStudy (kc_kennylau):

2x+2 is m<AVC if you remember

OpenStudy (anonymous):

I don't know what X is. All I have is 6x-5=103º.

OpenStudy (kc_kennylau):

Solve that equation

OpenStudy (anonymous):

how? Do I divide each side by 6?

OpenStudy (kc_kennylau):

Add each side by 5\(^\circ\)

OpenStudy (kc_kennylau):

Watch this video when you have time, it'd help you out a lot: https://www.youtube.com/watch?v=tuVd355R-OQ

OpenStudy (anonymous):

so 6x = 108º, right?

OpenStudy (kc_kennylau):

Yep

OpenStudy (anonymous):

then divide each side by 6, right?

OpenStudy (kc_kennylau):

Exactly

OpenStudy (anonymous):

so each side is 18º?

OpenStudy (kc_kennylau):

Nope, there's no side

OpenStudy (kc_kennylau):

18º is just the value of x

OpenStudy (anonymous):

I mean each angle.

OpenStudy (anonymous):

oh, ok.

OpenStudy (anonymous):

so AVC = 38º AND BVC = 65

OpenStudy (anonymous):

Thank you so much.

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