Answer:
7. 123
8. 38
9. 68
10. 65
11. 113
12. 52
Step-by-step explanation:
D
Step by step explanation This is how I got the answer to your question and I gave you the solution I hope this helps you out
You weren't clear on the equation so I did it both ways. It didn't really matter though because both equations had the same answer. ♀️
Answer:
x=9
Step-by-step explanation:
The sum of all three angles inside a triangle is always 180 and the small square in the bottom left corner means that that is a 90 degree angle.
90+5x+5x=180
add the x values together
90+10x=180
subtract 90 from both sides
10x=90
divide both sides by 10
x=9