Area Flashcards
1
Q
What is the area of a rectangle? How do you express the answer.
A
length x width cm2
2
Q
Perimeter =
A
the distance all the way round a shape
3
Q
Area of a triangle
A
Base x height / 2
4
Q
Area of a regular polygon
A
apothem x perimeter / 2
5
Q
Area of a parallelogram
A
base x height
6
Q
Area of a trapezium
A
7
Q
Formula for circumfrence of a circle
A
π x diameter of circle
C = πd
8
Q
If the diameter of a circle is 10cm what is it’s circumfrence, to 3 sf
A
10 x 3.14 = 31.4cm
9
Q
What is the formula for the area of a circle?
A
A = πr2
10
Q
Circlre has a radius of 6cm, what is it’s area?
A
π x 62
6 x 6 = 36
36 x π = 113.04
11
Q
Surface area of a cuboid
A
6 x area of each face of the cuboid
12
Q
how to find area of rhombus
A
diagonal x diagonal / 2
