Answer: u= 3.2
Step-by-step explanation:
divide both by 4
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
The third angle would be 100 degrees
Explanation: 360-85-115-60= 100
The answer would be 15,120