Section 8.4 - Surface Area Of Right Pyramids And Cones

10 Questions | By Seixeiroda | Last updated: Mar 22, 2022 | Total Attempts: 364

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1.

What is the surface area of a square pyramid with a height of 15cm and a base side length of 16cm?
- A.
  
  576 cm^2
- B.
  
  800 cm^2
- C.
  
  960 cm^2
- D.
  
  1344 cm^2
2.

A trophy in the shape of a pyramid has a regular pentagonal base with a perimeter that measures 95 cm. The pyramid has a slant height of 32 cm, and the distance from the centre of the base to the midpoint of each side is 13 cm. What is the surface area of the trophy?
- A.
  
  1615 cm^2
- B.
  
  1881 cm^2
- C.
  
  2138 cm^2
- D.
  
  2698 cm^2
3.

What is the surface area of a cone with height 8.0m and radius 3.0m?
- A.
  
  52.3 m^2
- B.
  
  98.9 m^2
- C.
  
  108.3 m^2
- D.
  
  268.5 m^2
4.

Ana wants to wrap a conical candle that has a radius of 5,9 cm, a height of 7.3 cm, and a slant height of 9.4 cm. How much wrapping paper will she need?
- A.
  
  164.8 cm^2
- B.
  
  202.4 cm^2
- C.
  
  211.2 cm^2
- D.
  
  283.4 cm^2
5.

What is the surface area of a square pyramid with a height of 39.4 mm and a base area of 676.0 mm^2
- A.
  
  2834.0 mm^2
- B.
  
  3130.0 mm^2
- C.
  
  4316.0 mm^2
- D.
  
  4992.0 mm^2
6.

What is the surface area of a square pyramid with a height of 10.4 m and a base side length of 12.4m?
- A.
  
  141.4 cm^2
- B.
  
  162.4 cm^2
- C.
  
  167.4 cm^2
- D.
  
  454.1 cm^2
7.

A paperweight in the shape of a pyramid has a regular hexagonal base with a perimeter that measures 16.8 cm. The pyramid has a height of 4.7 cm, and the distance from the centre of the base to the midpoint of each side is 2.9 cm. What is the surface area of the paperweight?
- A.
  
  70.6 cm^2
- B.
  
  79.0 cm^2
- C.
  
  94.9 cm^2
- D.
  
  116.8 cm^2
8.

What is the surface area of a cone with a height of 23.5 mm and a radius of 28.1 mm?
- A.
  
  3139.8 mm^2
- B.
  
  4552.9 mm^2
- C.
  
  5708.8 mm^2
- D.
  
  8938.2 mm^2
9.

Julio needs to paint 7 traffic cones orange. Each of the cones has a height of 1.3 m and a radius of 0.5m. What is the total surface area Julio needs to paint?
- A.
  
  19.6 m^2
- B.
  
  21.0 m^2
- C.
  
  36.4 m^2
- D.
  
  37.1 m^2
10.

What is the surface area of a right cone with a height of 12.9 mm and a diameter of 10.2mm?
- A.
  
  254.6 mm^2
- B.
  
  288.3 mm^2
- C.
  
  304.3 mm^2
- D.
  
  771.9 mm^2