16. A right rectangular pyramid is sliced perpendicular to the base through the vertex. What is the resulting shape of the cross section?
Hint: Draw a picture to help visualize the shape
TRIANGLE
17. A right rectangular pyramid is sliced parallel to the base. What is the resulting shape of the cross section?
Hint: Draw a picture to help visualize the shape
RECTANGLE
18. A right triangular prism is sliced parallel to the base. What is the resulting shape of the cross section?
Hint: Draw a picture to help visualize the shape
TRIANGLE
19. What is the surface area of this right prism?
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*sde,
surface area for a triangle is 1/2 *base*height
720
20. What is the surface area of this right prism?
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*sde,
surface area for a triangle is 1/2 *base*height
96
21. What is the surface area of this right prism?
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*sde,
surface area for a triangle is 1/2 *base*height
1200
22. Maria is making custom designs using these small trapezoidal prisms. She wants to cover each of the 9 prisms in her current design in floral cloth on all sides. She has 3000 square centimeters of floral cloth. Does Maria have enough cloth to cover all 9 prisms in her current design?
The combined surface area of the prisms is ________________ cm², therefore Maria ________________________ have enough cloth for her current design.
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*side,
the surface area of a trapezoid is ½ * (base 1 +base 2)*height
3420, DOES NOT
23. Heather is making custom designs using these small trapezoidal prisms. She wants to cover each of the 12 prisms in her current design in checkered cloth on all sides. She has 5000 square centimeters of checkered cloth. Does Heather have enough cloth to cover all 12 prisms in her current design?
The combined surface area of the prisms is ________________cm², therefore Heather __________________have enough cloth for her current design.
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*side,
the surface area of a trapezoid is ½ * (base 1 +base 2)*height
4560, DOES
24. Sasha is making custom designs using these small trapezoidal prisms. She wants to cover each of the 8 prisms in her current design in striped cloth on all sides. She has 3500 square centimeters of striped cloth. Does Sasha have enough cloth to cover all 8 prisms in her current design?
The combined surface area of the prisms is ________________ cm², therefore Sasha ______________________ have enough cloth for her current design.
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*side,
the surface area of a trapezoid is ½ * (base 1 +base 2)*height
3040, DOES
25. What is the surface area of this right rectangular prism?
Hint: SA= 2LW + 2LH + 2WH
32 1/3
26. What is the surface area of this right rectangular prism?
Hint: SA= 2LW + 2LH + 2WH
31 1/9
27. What is the surface area of this right rectangular prism?
Hint: SA= 2LW + 2LH + 2WH
29 2/3
28. This figure represents a prop for a play that will be built out of wood. The crew needs to build 4 of these props. How much wood is needed to build all 4 props?
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*side,
For the front and back find the surface area of the larger
rectangle and subtract area of missing triangle
936
29. This figure represents a piece of a structure that will be built out of sheet metal. The construction crew needs 3 of these pieces. How much sheet metal is needed to build all 3 pieces?
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*side,
For the front and back find the surface area of the larger
rectangle and subtract area of missing triangle
702
30. This figure represents a large storage container that will be built out of a new durable material. The storage company needs 8 of these containers. How much of the new material is needed to build all 8 containers?
Hint: Find the surface area of each side of the figure,
remember that surface area for a rectangle is side*side,
For the front and back find the surface area of the larger
rectangle and subtract area of missing triangle
1872