Question

Help me please ! How many one quart containers of paint will Marcie need in order to cover the one pentagonal wall of the playhouse?

Answer 1

`\begin{gathered} \text{Ara of triangle=}(1)/(2)*3*6 \\ \text{Area of triangle=9 }ft^2 \\ \text{There are two triangle,so} \\ \text{Area}=2*9=18ft^2 \\ \text{Now full area is,} \\ \text{Area}=6*12+18 \\ \text{Area}=90ft^2 \\ need\text{ of quarts is}\Rightarrow(90)/(50) \\ \Rightarrow1.8\text{ quarts} \end{gathered}`