Geometry and Measures Flashcards
1
Q
Cosine Rule
A
c² = a² + b² − 2ab cos(C)
2
Q
Sine Rule
A
a/sin(A) = b/sin(B) = c/sin(C)
3
Q
Area of Square
A
length * width
4
Q
Area of Rectangle
A
length * width
5
Q
Area of triangle
A
1/2 * base * height
6
Q
Area of parallelogram
A
base * height
7
Q
Area of trapezium
A
1/2(a+b) * h
8
Q
circumference of circle
A
π * d
9
Q
area of a circle
A
π * r²
10
Q
arc length
A
x/360 * 2 * π * r
11
Q
area of sector
A
x/360 * π * r²
12
Q
perimeter of sector
A
(x/360 * 2 * π * r) + 2 * r
13
Q
volume of pyramid
A
1/3 * area of base * height
