# Grade 9 Math: Intro to Geometry Pyramids

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### We have a pyramid with a base length of 6cm, a base width of 6cm and the slant height of the pyramid is 12cm. What is the Surface area?

90cm$$^2$$
270cm$$^2$$
180cm$$^2$$
360cm$$^2$$

### We have a pyramid with a base length of 18cm, a base width of 20cm and the height of the pyramid is 40cm. What is the Surface area?

1922.15cm$$^2$$
1239.45cm$$^2$$
4322.12cm$$^2$$
2187.62cm$$^2$$

### We have a pyramid with a base length of 36cm, a base width of 33cm and the height of the pyramid is 99cm. What is the volume?

43421cm$$^3$$
24555cm$$^3$$
52041cm$$^3$$
39204cm$$^3$$