The 7 after the decimal is in the tenths place, so look at the one in the hundredths place. It is less than 5, so the 7 is not rounded up and stays 7. 877.7 is 877.71 rounded to the nearest tenth.
7 and 9
7^2=49
9^2=81
49+81=130
I believe the answer is x=2
Hope this helps! :D
Answer:
X = 60°
Step-by-step explanation:
By Z form,
2X + X = 180°
3X = 180°
X = 60°
