Question

solve for x and find the measure of each angle. one angle 4x second angle 2x+5 third angle id 3(x-5)

Answer 1

See, the sum of all angles of a triangle is 180 degrees.

Answer 2

What is the sum of given angles in terms of x?

That is calculate:

4x + (2x+5) + 3(x-5) = ?

Answer 3

9x -10 =180 but once put in the place of x they don't come out to 180

Answer 4

They do: see

\[\large{9x-10 = 180}\]
\[\large{\implies 9x = 190}\]
\[\large{\implies x = \cfrac{190}{9}}\]

No you can verify this by calculating each angle with the help of above value and calculating their sum , you would get it as 180.

Answer 5

yeah i did that i got 21
but once i plugged in my x variables i got 189

Answer 6

Let me check

Answer 7

First of all 190/9 is 21.111...

Answer 8

No I checked it , you must get 180

Answer 9

let me check it again

Answer 10

and your plugging it in the 21.11 in the equations?