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vlada-n [284]
2 years ago
9

PLEASE HELP ILL GIVE BRAINLIESTTTT

Mathematics
2 answers:
-BARSIC- [3]2 years ago
8 0

Answer:

9 degrees

Step-by-step explanation:

<u><em>OK so we know that m<AOB is equal to the equation 10x+4. With this in mind, we also know that m<COB equals 6x-3. The ray OC intersects m<AOB, so this means that m<COB plus m<COA equals m<AOB.</em></u>

<em><u>First, we find m<COA by reversing the equation around to solve for m<COA.</u></em>

m<AOB - m<COB = m<COA

<em><u>Then, we Pug in the angles and solve.</u></em>

m<AOB = 10x+4

m<COB = 6x-3

10x+4 - 6x-3 = 4x+1

Here is where things get interesting. See those 2 lines in each angle? That means they are equal in measure.

So what you do is simple, find what x equals in order to make this equation below true.

6x-3 = 4x+1

<u>The answer for x is 2. So then just plug in to solve for m<COA and you're done!!</u>

4(2)+1 =9

<em>lil bonus: you can also get the same angle degree by plugging  2 into m<COB</em>

stepan [7]2 years ago
4 0

Answer:

27

Step-by-step explanation:

Because OC biscts AOB, then COA=COB

Therefore AOB is twice COB

10x+4 = 2(6x-3)

10x+4 = 12x -6

2x = 10

x = 5

Therefore COA is 5x6-3 = 27

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