Answer:10
Step-by-step explanation:
28-4-4=20
20÷2=10
10+10+4+4=28
The nearest start of the earth is Alpha Centauri and the answers to the math question is X= 4 Square root 2
0.87 is 87/100 as a fraction.
Since 87/100 is already simplified, the answer is 87/100.
Hope this helps!
I think it might be 90 degrees
