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Flashcards in Maths Deck (10):
1

What is an irrational number

A number that's digits run forever and don't repeat themselves

2

Angle sum of polygon

(N-2)x180
Where n = number of sides

3

Sum of exterior angles of a convex polygon

360 degrees

4

Size of exterior angles

360 divided by the number of sides

5

Area of a parallelogram

Base x height

6

Area of a kite

Half x X x y

7

Area of a trapezium

Half x ( a+b) X height

8

Area of a circle

Pi x radius squared

9

Area of a sector

Theta divided by 360 x pi x radius squared

10

Perimeter of a sector

(Theta divided by 360 x Pi x 2 x radius)
+
Radius x 2