Geometry Flashcards
1
Q
Area of triangle
A
1/2bh
2
Q
Area of square
A
a^2
3
Q
Area of rectangle
A
B*h
4
Q
Area of parallelogram
A
B*h
5
Q
Area of trapezoid
A
(a+b)/2*h
6
Q
Area of circle
A
Ñr^2
7
Q
Parameter of a triangle
A
Sum of all sides
8
Q
Parameter of square
A
4a
9
Q
Parameter of rectangle
A
Sum of all sides
10
Q
Circumference of a circle
A
2ñr
11
Q
Common angle in a triangle
A
45-45-90
30-60-90
60-60-60
12
Q
Pythagoras theorem
A
Hyp^2 =opp^2 +adj^2
13
Q
Right angle triangle
A
3,4,5 (2,3)
6,8,10
9,12,15
14
Q
Right isosceles triangle
A
x:x:xroot2
15
Q
Drawing the height from Equilateral triangle. The sides;
A
x:2x:x root 3
