Surface Area And Volume Equations

Question 1

Quadratic equation

Answer 1

=-b+- square root of b squared - 4ac all over 2a

Question 2

Equation for a quarter of a cylinder

Answer 2

1/4 Pi x R squared x L

Question 3

Give the volume of a hemisphere

Answer 3

2/3 x Pi x R cubed

Question 4

Area of a triangle

Answer 4

1/2 ab sin C

Question 5

Give the volume for half a cylinder

Answer 5

1/2 Pi x R squared x L

Question 6

Sine rule

Answer 6

Sin a over a = sin b over b

Question 7

Give the equation when given a slice of a cylinder with a 42 Degree angle

Answer 7

42/360 x Pi x R squared x L

Question 8

Give the volume of a pyramid

Answer 8

1/3 Base Area x Vertical Height

Question 9

Give the SURFACE AREA of a cylinder

Answer 9

2 Ends: 2 x Pi x R squared

Curved Surface: Pi x D x L
OR (if not given length)
2 x Pi x R

Question 10

Arc length

Answer 10

?➗ 360 x 2 pi r

Question 11

Area of sector

Answer 11

? ➗ 360 X pi r squared

Question 12

What is the equation to find the length when working out the surface area of a cone?

Answer 12

L squared = R squared + H squared

Question 13

What is the surface area of a hemisphere?

Answer 13

2 x Pi x R squared

Question 14

Give the surface area for a cone

Answer 14

Curved surface: Pi x R x L

Bottom circle cone: Pi x R squared

Question 15

Give the volume of a cylinder

Answer 15

Pi x R squared x L

Question 16

Give the volume of a sphere

Answer 16

4/3 x Pi x R cubed

Question 17

Give the volume of a trapezium

Answer 17

1/2 (A + B) H x L

Question 18

Give the equation for a volume of a cuboid

Answer 18

B x H x L

Question 19

Cosine rule

Answer 19

A squared = b squared + c squared - 2bc cos a

Question 20

What is the surface area of a sphere?

Answer 20

4 x Pi x R squared

Question 21

Give the equation for the volume of a triangular prism

Answer 21

1/2 B x H x L