Lesson on Reviewing Surface Area

Level two:  What do we call this object below?

• Net 
• Triangle
• Geometry
• y = mx + b

Level two:  To calculate the amount of carpeting needed for your bedroom, which of the following should you find: 

• Area
• Perimeter
• Surface Area
• Volume

Level two:  Area of a triangle

• A = 1/2h(b1 + b2)
• A = bh
• A = 1/2bh
• A = lw

Level two:  Find the area of the triangle pictured.  

• 22.5 cm²
• 45 cm²
• 15.75 cm²
• 31.5 cm²

Level two:  Find the area.

• 23.04
• 22.05
• 21.06
• 20.07

Level two:  What is the area of the shaded portion of the square?

• 144.5 cm²
• 34 cm²
• 289 cm²
• 72.25 cm²

Level two:  Area of a rectangle.

• A = 1/2h(b1 + b2)
• A = lw
• a = 1/2bh
• A = r x r x 3.14

Level two:  What is the area of this figure?

• 40 square units
• 40 units
• 40 units cubed
• 40

Level two:  Find the area of the figure.

• 37.5 mm2
• 35 mm2
• 15 mm2
• 37 mm2

Level two:  Determine the area of the trapezoid.

• 160 cm²
• 304 cm²
• 80 cm²
• 152 cm²