Formluas

Question 1

equation of a line?

Answer 1

y = mx + c

Question 2

equation to find distance?

Answer 2

D = S x T
distance = speed x time

Question 3

equation to find density?

Answer 3

D = M / V
density = mass / volume

Question 4

equation to find force?

Answer 4

F = P / A
force = pressure / area

Question 5

equation to find acceleration?

Answer 5

A = CIS / CIT
acceleration = change in speed / change in time

Question 6

formula to find the area of a circle?

Answer 6

pi x r^2

Question 7

formula to find the circumference of a circle?

Answer 7

2 x pi x r

Question 8

formula to find the area of a sector?

Answer 8

x/360 x (pi x r^2)

Question 9

formula to find the arc length of a sector?

Answer 9

x/360 x (2 x pi x r)

Question 10

formula to find the volume of a cylinder?

Answer 10

pi x r^2 x h

Question 11

formula to find the surface area of a cylinder?

Answer 11

(2 x pi x r^2) + (2 x pi x r x h)

Question 11

formula to find the volume of a sphere?

Answer 11

4/3 x pi x r^3

Question 12

formula to find the surface area of a sphere?

Answer 12

4 x pi x r^2

Question 13

formula to find the volume of a hemisphere?

Answer 13

2/3 x pi x r^3

Question 14

formula to find the surface area of a hemisphere?

Answer 14

3 x pi x r^2