Answer:
10.9
Step-by-step explanation:
I just used a pyramid calculator online and inputed the base and height.
Yes it’s right the second group of terms should be -1(x+1)
Answer:
x=±√10/4
Step-by-step explanation:
8x^2 -3 =2 --> 8x^2=5 --> x^2=5/8 --> x=±√(5/8) --> x=±√10/4
Answer:

Step-by-step explanation:
Given
The attached triangle
Required
Find x
Using law of sine, we have:

So, we have:

Make x the subject



-- approximated