Math

Multiple Choice

Is the statement below TRUE or FALSE?

A prism has cross-sections which are polygons and other faces which are quadrilaterals.

• TRUE

• FALSE

Multiple Choice

Is the statement below TRUE or FALSE?

A cone has two sides and a vertex.

• TRUE

• FALSE

Multiple Choice

Is the statement below TRUE or FALSE?

A pyramid has a base which is a polygon and other faces which are triangles.

• TRUE

• FALSE

Multiple Choice

Is the statement below TRUE or FALSE?

A cylinder has two sides and a curved face

• TRUE

• FALSE

Multiple Choice

Choose the type of solid formed from this net.

• Prism

• Cuboid

• Pyramid

• Oblique prism

Multiple Choice

Choose the type of solid formed from this net.

• Prism

• Triangular prism

• Pyramid

• Triangular Pyramid

Multiple Select

Choose the correct net.

(The answer may be more than one.)

Multiple Select

Choose the valid nets for a cube.

(There are TWO answers.)

​Let's us watch a video to learn about it !!​

https://www.youtube.com/watch?v=nyDq9Qzc3hw&t=8s​

Multiple Choice

Which of the following is the surface area formula of a cone?

• $$2\pi r+\pi rs$$

• $$\pi r^2+\pi rs$$  

• $$\pi r+\pi rh$$

• $$\frac{1}{3}\pi rs$$

Multiple Choice

Which of the following is the surface area formula of a hemisphere?

• $$4\pi r^2$$  

• $$\frac{4}{3}\pi r^3$$  

• $$2\pi r^2$$  

• $$3\pi r^2$$  

Multiple Choice

• $$213cm^2$$  

• $$200cm^2$$  

• $$176\ cm^2$$  

Multiple Choice

• $$\frac{2310}{7}\ cm^2$$  

• $$\frac{1200}{7}\ cm^2$$  

• $$\frac{1650}{7}\ cm^2$$  

• $$\frac{1550}{7}\ cm^2$$  

Multiple Choice

Which of the following is the curved surface area formula of a half cylinder?

• $$\pi r^2h$$  

• $$\pi rh^2$$  

• $$\pi rh$$  

• $$2\pi rh$$  

Multiple Choice

• $$\frac{7}{24}\ cm$$  

• $$\frac{5}{18}\ cm$$  

• $$\frac{3}{8}\ cm$$  

• $$\frac{5}{24}\ cm$$  

Multiple Choice

• $$234\ cm^2$$  

• $$255\ cm^2$$  

• $$300\ cm^2$$  

• $$294\ cm^2$$  

Multiple Choice

Which of the following is the volume formula of a prism?

• $$base\ area\times height$$  

• $$base^2\times height$$  

• $$\frac{1}{3}base\ area\times height$$  

• $$base\ area\times height^3$$  

Multiple Choice

• $$210\ cm^3$$  

• $$140\ cm^3$$  

• $$120\ cm^3$$  

• $$135\ cm^3$$  

​Cross-section

​(side)

Multiple Choice

• $$710\ cm^3$$  

• $$730\ cm^3$$  

• $$750\ cm^3$$  

• $$770\ cm^3$$  

Multiple Choice

A metal ball used in competition has a radius of 4.9 cm. The density of the metal that is used to make the ball is $$7.1\ g$$ / $$cm^3$$   . Calculate the mass of the metal ball. 

 [Hint: $$density\ =\ \frac{mass}{volume}$$  ]

• $$3400\ g$$  

• $$3500\ g$$  

• $$3600\ g$$  

• $$3700\ g$$  

Multiple Choice

h = 4.2m

V= $$84\ cm^3$$  

Find Base

• $$60\ cm^2$$  

• $$65\ cm^2$$  

• $$70\ cm^2$$  

• $$80\ cm^2$$  

​3

Multiple Choice

• $$50.5\ cm^3$$  

• $$53\ cm^3$$  

• $$58.5\ cm^3$$  

• $$60\ cm^3$$  

Multiple Choice

Cylindrical tank has radius: 30cm and height: 45cm

The water inside the tank depth: 36cm

A metal sphere is dropped into the water and is completely covered. The water level rises by 5cm.

Calculate the radius of the metal sphere.

• 25 cm

• 20 cm

• 15 cm

• 10 cm

Multiple Choice

The diagram shows a sector with centre O. OP and OQ of the sector area combined to form a cone. The cone is then combined with a hemisphere. Find the total surface area, in $$cm^2$$ , of the combined shape. [Use $$\pi=\frac{22}{7}$$  ]

• $$3200\ cm^2$$  

• $$3465\ cm^2$$  

• $$4523\ cm^2$$  

• $$3475\ cm^2$$