What is the surface area of a cube with a length of 4cm?
96cm2
What shapes can be found in a cylinder when you unroll it into a "net"?
Two circles and a rectangle
What shapes does the net of a triangular prisms have?
3 rectangles and 2 triangles
What is the formula to work out the area of a rectangle?
A = L x W
What is the surface area of this prism?
168km2
What is the surface area of the cylinder below? Round to 2 decimal places.
640.88m2
Lateral surface area of this prism?
36
What is the formula to figure out the area of a triangle?
A = 1/2 x b x h
A = (b x h) /2
Total surface area of this prism?
150m2
What is the surface area of the coke can below? Assume it is a perfect cylinder. Round to 2 decimal places.
5780.53ft2
Surface area of this shape?
648yd2
What does this formula work out?
A =πr2
The are of a circle.
If a can of paint can cover 19cm2, how many cans will be needed to paint the surface area of the shape below?
SA = 256cm2
256/19 = 13.47
13.47... Therefore 14 cans of paint needed,
What is the area of the curved part of this cylinder? Round to 2 decimal places.
150.80yd2
What does this formula work out?
2 x π x r x hThe area of the curved part of the cylinder.