Write and solve an equation to find the value of x

3x=45°

6x=90°

Step-by-step explanation:

As the sum of angle measures is 180° , to find the x

First, you create an equation that looks like,

which can be written as

since both 3x and 6x have the same variable. Then you subtract 45 from both sides of the equation

(+45 on the right side can be cancelled by -45, so there is none left)

Now, you can divide both sides by 9

So you must have an answer of x = 15°

Similar to ratios, 3:6 each part is 15°, now you have to multiply 3 to 15 and 6 to 15 to see how they separate the angles of 135°.

3×15= 45

6×15=90

To check them add 45, 90 and 45 to see if it adds up to 180. The answer is at the top and if my explanation is wrong please tell me, Thanks

look a the sides they are perpendicular