Geomteryasd Flashcards
1
Q
Perimeter of a triangle
A
a+b+c
2
Q
Area of any triangle
A
1/2 bh
3
Q
Area of equilateral triangle
A
root 3/4 s^2
4
Q
Right triangle Pythagorean Theorem
A
c^2=a^2+b^2
5
Q
Famous Pythagorean Triples
A
(3,4,5) / (5,12,13) / (8,15,17) / (7,24,25)
6
Q
Diameter
A
2r
7
Q
Circumference
A
dπ=2πr
8
Q
Area
A
πr^2
9
Q
Equation of the circle with center (h,k):
A
(h-x)^2+(k-y)^2=r^2
10
Q
Semicircle forms a…
A
Right triangle
