Quiz about Geometry 8

Question 1

Fulgurites are pieces of glass in the shape of a cylinder produced when lightning strikes sand. A student found a fulgurite with a height of $$21$$ inches and a diameter of $$6$$ inches.
Which equation can be used to find $$V$$, the volume of the fulgurite in cubic inches?

Accepted Answer

Covalent bond

Answer

B $$V=\pi(3)^2(21)$$

Answer

A $$V=\pi(6)^2(21)$$

Answer

C $$V=\pi(6)(21)$$

Answer

D $$V=\pi(3)(21)$$

Question 2

A series of translations, rotations and reflections is applied to Triangle 1 to create Triangle 2 , as shown.

What is the measure, in degrees, of the angle $$x$$ ?

![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-26%20at%2011.47.32%20AM_20230426094821410690.png)

![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-26%20at%2011.47.40%20AM_20230426094834113714.png)

Accepted Answer

Covalent bond

Answer

$$81^{\circ}$$

Answer

$$91^{\circ}$$

Answer

$$120^{\circ}$$

Answer

$$57^{\circ}$$

Question 3

Pentagon $${A}$$ is rotated $$180^{\circ}$$ about its center and then translated to create pentagon B.
![](http://admin.getprephub.com/media/editor/Screenshot%202023-04-26%20at%201.33.56%20PM_20230426113412507030.png)
What is the value of $$x$$ ?

Accepted Answer

Covalent bond

Answer

$$110^{\circ}$$

Answer

$$80^{\circ}$$

Answer

$$210^{\circ}$$

Answer

$$105^{\circ}$$

Question 4

A cone has a slant height of $$25$$ inches and a radius of $$7$$ inches as shown.

What is the height, h, in inches, of the cone?

![](https://cdn.mathpix.com/cropped/2023_04_26_65bfb09cb10aa10cc36ag-03.jpg?height=817&width=916&top_left_y=1596&top_left_x=547)

Accepted Answer

Covalent bond

Answer

$$24$$

Answer

$$29$$

Answer

$$40$$

Answer

$$19$$

Question 5

The dimensions of a cylinder are shown in the diagram.
![](http://admin.getprephub.com/media/editor/Screenshot%202023-06-12%20at%2011.15.57%20AM_20230612091607651874.png)
Which measurement is closest to the lateral surface area in square centimeters of the cylinder?

Accepted Answer

Covalent bond

Answer

C $$138.5 {~cm}^2$$

Answer

A $$164.9 {~cm}^2$$

Answer

B $$277.0 {~cm}^2$$

Answer

D $$191.3 {~cm}^2$$

Geometry 8 Class 8 Maths Problems and Solutions

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