I need to know the sides of the trapezoid in order to find the perimeter
The value of x=20
Step-by-step explanation:
We need to find the value of x
We are given a right angle which is equal to 90°
So, all three angles must sum to 90°
Our equation will be:

Solving and finding value of x

So, the value of x=20
Keywords: Angles
Learn more about angles at:
#learnwithBrainly
Answer:
x=0.333
Step-by-step explanation:
12(3x)=12
36x=12
/36 on both sides
x=0.333
What are the solutions of this system of equations? Select all that apply. y = x2 − x − 3 y = −3x + 5