I genuinely don’t understand this please help

Carmen is building a ramp for her remote-control car. The cross-section of the ramp makes a
30°-60°-90° right triangle, with the longer leg along the ground.
If Carmen wants the ramp to be 8 feet long, exactly how long must the base and height of the
ramp be? Round to the nearest tenth.
Base: ___ft
Height: ____ft

I genuinely dont understand this please help Carmen is building a ramp for her remotecontrol car The crosssection of the ramp makes a 306090 right triangle with class=