maths

Question 1

what is the volume of a cylinder?

Answer 1

v=π r2h

Question 2

If only the cross sectional area is given how do you find the height of a prism?

Answer 2

by multiplying the area x the height given
v=ah

Question 3

what is the formula for finding the perimeter of a sector?

Answer 3

p = 2r + 𝜃 / 360 x2𝜋r

Question 4

what is the formula for finding the area of a triangle?

Answer 4

a = 1/2bh

Question 5

what is the formula for finding the area of A parallelogram?

Answer 5

A=bh

Question 6

what is the formula for finding the area of a trapezium?

Answer 6

A = 1/2h(a+b)

Question 7

what is the formula for finding the area of a rhombus?

Answer 7

A = 1/2 xy

Question 8

what is the formula for finding the area of a sector?

Answer 8

A = θ/360 π

Question 9

what is the formula for finding the area of a square-based pyramid?

Answer 9

A=b squared + 2bh

Question 10

what is the formula for finding the surface area of a cylinder?

Answer 10

2π r squared + 2π rh

Question 11

how is gradient written?

Answer 11

rise / run

Question 12

how do you find the midpoint of a line segment?

Answer 12

m = (x1 + x2 /2, y1 + y2 /2)