A100-foot ramp is tilted at a 45° angle. how high is the top of the ramp from the ground?

the top of the ramp is (answer) feet above the ground.

do not estimate/round your answer. if necessary, enter your answer as a simplified radical. use sqrt( ) to represent square root. example: 32 – √
32 would be entered 3sqrt(2). do not use any spaces in your answer. rationalize the denominator if necessary.