maths formula

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Sum of interior angles
180(n-2)
1 of 14
number of sides
180-given angle
2 of 14
Area of a triangle
1/2(bh)
3 of 14
circumference of circle
C=2πr C=πd
4 of 14
Arc Length Formula
(x/360)2πr
5 of 14
area of a sector formula
x/360 * (pi)r^2
6 of 14
Arithmetic Sequence Formula
un= a+ d(n-1)
7 of 14
sum of numbers in a series
sum= n/2 [2a+d(n-1)]
8 of 14
direct proportion formula
y= kx
9 of 14
inverse proportion formula
y= k/x
10 of 14
sine rule
(two angles) a/sinA = b/sinB = c/sinC
11 of 14
speed formula
distance/time
12 of 14
density
mass/volume
13 of 14
pressure
force/area
14 of 14

Other cards in this set

Card 2

Front

number of sides

Back

180-given angle

Card 3

Front

Area of a triangle

Back

Preview of the front of card 3

Card 4

Front

circumference of circle

Back

Preview of the front of card 4

Card 5

Front

Arc Length Formula

Back

Preview of the front of card 5
View more cards

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