Brianna has a cylindrical metal container that is open at the top. She

1.	Brianna has a cylindrical metal container that is open at the top. She wants to paint the outer surfaces of the container, including the bottom. Which expression should she use to calculate the area to be painted?
Answer» ANSWER: Step-by-step EXPLANATION: In TERM of π : S.A. = 2400π cm² or, if π = $\frac{22}{7}$ then S.A. = 2400 × $\frac{22}{7}$ ≈ 7542.86 cm²

Brianna has a cylindrical metal container that is open at the top. She wants to paint the outer surfaces of the container, including the bottom. Which expression should she use to calculate the area to be painted?

Answer»

Step-by-step EXPLANATION:

In TERM of π :

S.A. = 2400π cm²

or, if π = $\frac{22}{7}$ then

S.A. = 2400 × $\frac{22}{7}$ ≈ 7542.86 cm²