Modual 8

Question 1

What is the area of a parallelogram?

Answer 1

B x H

Question 2

What is the area of a trapezium?

Answer 2

1/2 x ( a + b) x h

Question 3

What is the radius of a circle?

Answer 3

The distance half way between the circle

Question 4

What is the perimeter of a triangle?

Answer 4

side x base x side

Question 5

What is the perimeter of a circle?

Answer 5

2 x {pie} x r

Question 6

What is the perimeter of a square?

Answer 6

4 x side

Question 7

What is the perimeter of a rectangle?

Answer 7

2 x (w x h)

Question 8

What is the area of a square?

Answer 8

side{squared}

Question 9

What is the area of a rectangle?

Answer 9

l x h

Question 10

How do you work out the area of a compound shape?

Answer 10

• You split the shape up into smaller shapes
• Work out the area of those shapes
• Add them all together

Question 11

How do you find the perimeter of a compound shape?

Answer 11

Add all the lengths of the shape together

Question 12

What is the area of a circle?

Answer 12

{pie} x r{squared}

Question 13

What is the circumference of a circle?

Answer 13

2 x {pie} x r

Question 14

How do you find the area of a sector?

Answer 14

The angle inside the sector
——————————- x area of the full circle
360

Question 15

What is the volume of a cuboid?

Answer 15

l x w x h

Question 16

What is the volume of a cylinder, triangular prism and hexagonal prism?

Answer 16

face of shape x length

Question 17

What is the volume of a sphere?

Answer 17

4
– x {pie} x r {cubed}
3

Question 18

What is the area of a triangle?

Answer 18

1/2 x B x H

Question 19

Rules that apply to the surface area of a shape?

Answer 19

• only apply to 3D shapes
• it’s the total area of a shape
• you have to add each individual shape in side of the 3D shape and than add them all together

Question 20

What is the surface area of a sphere?

Answer 20

4 x {pie, squared}

Question 21

What is the surface area of a cone?

Answer 21

({pie} x r x l) + ({pie} x r{squared)

Question 22

What is the surface area of a cylinder?

Answer 22

(2 x {pie} x r x h) + (2 x {pie} x r{squared}

Question 23

How are minor segments and major segments made?

Answer 23

when a chord divides a circle

Question 24

Which is the bigger segment, the major segment or the minor segment?

Answer 24

Major segment

Question 25

How is the major arch and the minor arch made?

Answer 25

when two radius cut the circle

Question 26

What is the volume of a pyramid?

Answer 26

1
– x base area x h
3

Question 27

What is the volume of a cone?

Answer 27

1
– x {pie} x {squared} x h
3

Question 28

How do you find the volume of a frustum?

Answer 28

volume of big cone - volume small cone

1 1
– x {pie}r{squared}h - – x {pie}r{squared}h
3 3

Question 29

Is the big cone of a frustum the pointy bit at the top or the base

Answer 29

the base because it will look bigger and have a bigger volume