David is building a bike ramp. He wants the angle that the ramp makes with the ground to be 20degrees. IF the board he wants to use for his ramp is 3 1/2 feet long, about how tall will the ramp need to be at the highest point?
David is building a bike ramp. He wants the angle that the ramp makes with the ground to be 20degrees. IF the board he wants to use for his ramp is 3 1/2 feet long, about how tall will the ramp need to be at the highest point?
