Yes What do you need help with ?
Answer:
12
Step-by-step explanation:
Start at negative 8 on the number line than move to positive 20
Sine of angle = opposite ÷ hypotenuse
sin 20 = 
x = 
x = 40.9 (rounded up to nearest tenth)
Step-by-step explanation:
The Pythagorean theorem is:

where c is the hypotenuse.
The two wires in the sketch are the hypotenuse so we just use the formula
let the wires=x
So:




feet