The top of a ramp is 4 feet above the ground. The ramp makes a 21.3 degree angle with the ground. What is the length of the ramp

Total ramp system length in feet: Includes the minimum number of 5′ x 5′ resting platforms and the 5′ x 5′ platform at the top of the ramp.

Step-by-step explanation:

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50*10 is greater

step-by-step explanation:

if you add the zero from 10 to 50, it will give you a bigger number.

your answer is  

a.

5

step-by-step explanation: