maths mensuration Flashcards
1
Q
kilometer, metre, centimeter, millimeter converaions
A
1km = 1000m 1m = 100 1m = 1000 mm 1cm = 10mm
2
Q
Tonne, kilogram, gram conversions
A
1 tonne = 1000kg
1 kg = 1000g
3
Q
Litre, centiliter, milliliter, cubic centimeter conversions
A
1 L =100cl or 1000ml
1cl = 10 ml
1 ml = 1cm³
4
Q
Circumference of a circle =
A
pi x diamater
5
Q
Arc length =
A
sector angle/360 x 2 pi r
6
Q
sector area =
A
Sector angle/360 x pi r squared
7
Q
Cylinder surface area
A
Curved: 2πrh
Total: 2πr(h + r)
8
Q
Cylinder volume
A
πr²h
9
Q
Cone surface area
A
curved = πrl Total = πr(l + r)
10
Q
cone volume
A
1/3 πr²h
11
Q
Sphere surface area
A
4πr²
12
Q
Sphere volume
A
4/3 πr³
13
Q
Pyramid surface area
A
base are + area of the shapes in the sides
14
Q
Volume of pyramid
A
1/3 x base area x perpendicular height
15
Q
Surface area of cubed
A
2(lb + bh + lh)
