Quiz about 3rd Form Christmas Term Assignment #8

Question 1

If the radius of the circle in the image is 9 CM and $$\pi=\frac{22}{7}$$ , determine the area of the circle.

Accepted Answer

$$254.6\ cm^2$$

Answer

$$113.2\ cm$$

Answer

$$127.3\ cm^2$$

Answer

$$56.6\ cm$$

Question 2

If the radius of the circle in the image is 9 CM and $$\pi=\frac{22}{7}$$ , determine the circumference of the circle.

Accepted Answer

$$56.6\ cm$$

Answer

$$113.2\ cm$$

Answer

$$90.5\ cm^2$$

Answer

$$256.6\ cm^2$$

Question 3

If the radius of the circle in the image is 9 CM and $$\pi=\frac{22}{7}$$ , determine the area of the minor sector.

Accepted Answer

$$91.9\ cm^2$$

Answer

$$40.8\ cm$$

Answer

$$183.8\ cm^2$$

Answer

$$20.4\ cm$$

Question 4

If the radius of the circle in the image is 9 CM and $$\pi=\frac{22}{7}$$ , determine the length of the minor arc.

Accepted Answer

$$20.4\ cm$$

Answer

$$40.8\ cm$$

Answer

$$183.8\ cm^2$$

Answer

$$91.9\ cm^2$$

Question 5

If the radius of the circle in the image is 9 CM and $$\pi=\frac{22}{7}$$ , determine the area of the shaded region.

Accepted Answer

$$60.9\ cm^2$$

Answer

$$31.023\ cm^2$$

Answer

$$91.9\ cm^2$$

Answer

$$121.8\ cm^2$$

Question 6

Select the incorrect representation of the number pi $$\left(\pi\right)$$

Accepted Answer

$$\frac{24}{7}$$

Answer

3.14

Answer

$$\frac{22}{7}$$

Answer

$$3\frac{1}{7}$$

Question 7

The line PQ in the diagram is called the:

Accepted Answer

PQ is called the chord.

Answer

PQ is called the angle

Answer

PQ is called the curve

Answer

PQ is called the radius

Question 8

The line PQ in the diagram divides the circle into:

Accepted Answer

Segments

Answer

Sectors

Answer

Angles

Answer

Arcs

Question 9

Which of the following formulas can't be used to find the area of a triangle?

Accepted Answer

Area = length * width

Answer

Area = $$\frac{1}{2}abSinC$$

Answer

Area = $$\sqrt[]{s\left(s-a\right)\left(s-b\right)\left(s-c\right)}$$

Answer

Area = $$\frac{1}{2}base imes height$$

Question 10

The greek symbol theta $$\left( heta ight)$$ is used to represent:

Accepted Answer

the size of an angle

Answer

the perimeter of a shape

Answer

the diameter of a circle

Answer

the area of a shape

Create a free account and access millions of resources

Similar Resources on Wayground

Popular Resources on Wayground

Discover more resources for Mathematics