Surface Area Missing Dimension

What is the "formula" for surface area of a rectangular prism?

• SA = 2lw + 2lh + 2wh

• SA = lw + lh + wh

• SA = length ∙ width

• SA = lw + lh + wh ÷ 2

Find the Surface area of the shape?

• 258 m²

• 268 m²

• 248 m²

• 278 m²

A rectangular brick has a length of 5 centimeters, a width of  9 centimeters and a height of 20 centimeters. What is the surface area of that brick? 

• 650 cm²

• 600 cm²

• 525 cm²

• 450 cm²

Find the surface area of the rectangular prism with the following dimensions: 
length = 16 m
height = 10 m
width = 11 m

• 872 m squared

• 752 m squared

• 1,760 m squared

• 892 m squared

YOUR ANSWER SHOULD BE LABELED "cm."

^{_{Find the Surface Area}}
(a)  

• 20m2

• 15m2

• 16m2

• 18m2

Find the total surface area of the prism.

• 161 square feet

• 1,700 square feet

• 75 square feet

• 186 square feet

Find the missing value.

• 5.8 ft

• 6.3 ft

• 6.3 ft

• 6.3 ft²

Write the equation to solve for the Area of a Triangle. Then use it to find the missing dimension. 

• 12yd.

• 3yd.

• 9yd

• 8yd

Write the equation to solve for the Area of a Triangle. Then use it to find the missing dimension. 

• 3in.

• 9in.

• 4in.

• 5in.