4.) A survey is measuring the distanc3 across a river. He sets up two similar right triangles and finds that DE=2.4 meters and CD=7 meters. If A (<-triangle) EDC, then what is AB?A.) 7.2 MB.) 12 MC.) 15 MD.) 25 M5.) Which of the following statements is true, if parallelogram ABCD is similar to parallelogram PQRS in this truss bridge?A.) m