62.5<span>° is the correct answer.</span>
Plug it into online calculator
Square root shows up
step 1
[ 10 + sqrt(3) ] * 1/2 = 5 + 1/2sqrt(3)
sqrt(90) = sqrt( 3 * 3 * 10) = 3 sqrt(10)
hope this helps : P
step 2
multiply both above together:
3sqrt(10) * [ 5 + 1/2sqrt(3) ] = 15 sqrt(10) + 3/2sqrt(30)
Answer:
22 degrees is the answer
Step-by-step explanation:
1/4 : 2 or 1/8 : 1. That is how I would have done it. I hope this helps you.
