Which shapes have equal area? help plz thx

Find the value of x. round the length to the nearest tenth

Aflagpole broke in a storm. it was originally 8 1 81 feet tall. 2 8 28 feet are still sticking straight out of the ground, where it snapped, but the remaining piece has hinged over and touches the ground some distance away. how far away is the end of the pole from the base of the pole along the ground?

How many verticies does a triangular prims have