donquisbarbara6 donquisbarbara6 27-02-2021 Mathematics contestada At the skate park, a new concrete ramp is built in the shape of a right triangular prism, as shown 15 it 9 ft 20 ft 12 ft How many cubic feet of concrete are used to build the ramp? O 1,080 ft • 1,350 ft O 2,160 ft O 3,600 ft