Johnny uses a mirror placed on level ground to measure the height of a building. johnny is 6 feet tall and stands 4 feet away from the mirror. from that distance, johnny is able to see the top of the building in the mirror as shown in the diagram below.

if the mirror is 45 feet 3 inches away from the building’s base, how tall is the building?

The height of the building is

Step-by-step explanation:

Remember that

so

Let

x-------> the height of the building

Using proportion

no because after the troops were pulled many blacks were killed by hangings lynchings and other cruel ways which in a way interrupted the reconstruction of the south and differed from the way abraham lincoln had an idea of reconstruction