A trough is 7 meters long,1.5 meters wide, and 1 meter deep. The vertical cross-section of the trough parallel to an end is shaped like an isosceles triangle (with height 1 meters,
I am 1 meter tall and the top of the tree I am standing under reaches 7 meter higher than me. How high is the tree?A) 5 mB) 6 mC) 7 mD) 8 m