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Katen [24]
3 years ago
9

How to do this? or get this started?

Mathematics
2 answers:
Marat540 [252]3 years ago
8 0
Supplementary is two angles that equal 180 degrees.

Angle AOC + Angle COB = 180

2x + x + 90 = 180
3x = 90
x = 30

Once you know x, you can probably find the rest :)
Ne4ueva [31]3 years ago
3 0
You're right on what you've been doing

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If ef bisects angle ceb,angle cef=7x+31 and angle feb=10x-3
Nastasia [14]

Given : Angle  < CEB is bisected by EF.

< CEF = 7x +31.

< FEB = 10x-3.

We need to find the values of x and measure of < FEB, < CEF  and < CEB.

Solution: Angle  < CEB is bisected into two angles < FEB and < CEF.

Therefore,   < FEB = < CEF.

Substituting the values of < FEB and < CEF, we get

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10x -3+3 = 7x +31+3.

10x = 7x + 34

Subtracting 7x from both sides, we get

10x-7x = 7x-7x +34.

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Dividing both sides by 3, we get

x= 11.33.

Plugging value of x=11.33 in < CEF = 7x +31.

We get

< CEF = 7(11.33) +31 =  79.33+31 = 110.33.

< FEB  = < CEF =  110.33 approximately

< CEB = < FEB +  < CEF  = 110.33 +110.33 = 220.66 approximately



7 0
3 years ago
Can you please send me answers for this quick
rosijanka [135]

Answer:

Its blocked for me.

Step-by-step explanation:

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What is the area of a square that has a side length of 1/5 of an inch?
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