2 pionts are viewed from the top af a building and thier angle are complementry. find..?

Question

.....the distance the points and the building if the height of the building is 10*root3 and the distance between the 2 points is 20cm. Find the distance between each point and the building.

Answer 1

If you restate that making it clearer WHICH two angles are complementary, it might be more possible to help you.