Daryl measures the angle of elevation to be 62 degrees. Frances measures the angle of elevation to be 54 degrees. if the two enthusiasts are 28m apart, how far off the ground is the helicopter.

The helicopter is 27.38 m far off the ground

Step-by-step explanation:

The drawing shown in the image below has all the measures and variables needed to solve the problem.

We need to find R, the height of the helicopter. We'll use the law of sines to find the length of side a.

The angle X is the measure needed to complete 180°:

X = 180° - 54° - 62° = 64°

Solving for a:

Calculating:

a = 31.11 m

Now using the sine ratio in the right triangle to the left side:

Solving for R:

R=31.11*0.88

R = 27.38 m

The helicopter is 27.38 m far off the ground

i assume that by 5 you mean 5 gallons.

(20)(0.25) = 15

removing 15 gallons reduces the tank from 20 to 5.

the forst and 3rd

step-by-step explanation: