Kellen cuts a foam block along the red line. When he looks at the newlyexposed face, what is the shape of the cross-section?9 cm7 cm5 cmA. A square, 7 cm by 7 cmB. A rectangle, 7 cm by 5 cmC. A rectangle, 9 cm by 5 cmD. A rectangle, 9 cm by 7 cmSUBMIT