-84 is a real number, a rational number, and an integer
Answer:
21.5
Step-by-step explanation:
→_→
It did not say if if it was a acute triangle or a obtuse triangle
C≈ 87.96
I think thats the answer
All angles make up 540°.
Use an algebra expression to clarify this.
9x+7x+15+5x-25+6x+25+6x-3=540
Add like terms.
33x+12=540
33x=528
x=16
