<h3>
Answer: x = 40</h3>
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Work Shown:
A+B+C = 180 ..... three angles of any triangle add to 180
(2x+10)+(x)+(2x-30) = 180
5x-20 = 180
5x = 180+20 .... adding 20 to both sides
5x = 200
x = 200/5 ... dividing both sides by 5
x = 40
This is the measure of angle B
We can stop here.
If you need to know the values of the other angles, then,
- angle A = 2x+10 = 2*40+10 = 90
- angle C = 2x-30 = 2*40-30 = 50
Then note how A+B+C = 90+40+50 = 90+90 = 180 which helps confirm our answer.
Your original answer was correct...
Both polygons have five sides, and five sided polygons are called pentagons.
<span>for y varies directly with x, you should have
y=kx
where k is constant of variation.ok</span>
Brainliest please?
Answer: <u><em>no solution</em></u>
there is no solution set
Step-by-step explanation:
6 x 2 = 12
12 - 24 = -12
-12 is not equal to 0
there are no solutions
