192k views
2 votes
the four faced of a rectangular pyrimid below are painted yellow. how many square feet will be painted

the four faced of a rectangular pyrimid below are painted yellow. how many square-example-1
User Cluny
by
7.2k points

1 Answer

3 votes

The number of square feet to be painted is equal to the surface area of the four face painted yellow.

Total Surface Area (TSA) =


4((1)/(2)bh)

By Pythagoras Theorem,


\begin{gathered} h^2+1.5^2=5^2 \\ h^2=5^2-1.5^2 \\ h=\sqrt[]{25-2.25}\text{ =}\sqrt[]{22.75}=4.7697\text{ fe}et \end{gathered}

the four faced of a rectangular pyrimid below are painted yellow. how many square-example-1
User Eswar
by
7.1k points