Answer:
, aka Option D is correct.
Hope this helps!
Answer: Angle 1 is 36
Angle 2 is 54
Step-by-step explanation:
x+18+3x=90
4x+18=90
4x=72
x=18
18+18=36
18*3=54
A = a+b/2 x h
Add sides a and b then divide by 2
After that multiply by the h
1. 7m² + 6.5n - 4n + 2.5m² - n
7m² + 2.5m² + 6.5n - 4n - n
9.5m² + 2.5n - n
9.5m² + 1.5n = 1.7
Answer:
60 degrees
Step-by-step explanation:
180 - 120= 60