Modual 8 Flashcards
(29 cards)
What is the area of a parallelogram?
B x H
What is the area of a trapezium?
1/2 x ( a + b) x h
What is the radius of a circle?
The distance half way between the circle
What is the perimeter of a triangle?
side x base x side
What is the perimeter of a circle?
2 x {pie} x r
What is the perimeter of a square?
4 x side
What is the perimeter of a rectangle?
2 x (w x h)
What is the area of a square?
side{squared}
What is the area of a rectangle?
l x h
How do you work out the area of a compound shape?
- You split the shape up into smaller shapes
- Work out the area of those shapes
- Add them all together
How do you find the perimeter of a compound shape?
Add all the lengths of the shape together
What is the area of a circle?
{pie} x r{squared}
What is the circumference of a circle?
2 x {pie} x r
How do you find the area of a sector?
The angle inside the sector
——————————- x area of the full circle
360
What is the volume of a cuboid?
l x w x h
What is the volume of a cylinder, triangular prism and hexagonal prism?
face of shape x length
What is the volume of a sphere?
4
– x {pie} x r {cubed}
3
What is the area of a triangle?
1/2 x B x H
Rules that apply to the surface area of a shape?
- 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
What is the surface area of a sphere?
4 x {pie, squared}
What is the surface area of a cone?
({pie} x r x l) + ({pie} x r{squared)
What is the surface area of a cylinder?
(2 x {pie} x r x h) + (2 x {pie} x r{squared}
How are minor segments and major segments made?
when a chord divides a circle
Which is the bigger segment, the major segment or the minor segment?
Major segment
