area, perimeter of a square/rectangle/triangle Flashcards
1
Q
area of a square
A
A = a^2
2
Q
perimeter of a square
A
P = 4(a)
3
Q
area of a rectangle
A
A = l*w
3
Q
perimeter of a rectangle
A
P = 2(l + w)
4
Q
area of a triangle
A
A = (1/2) b*h
4
Q
perimeter of a triangle
A
P = a + b + c
5
Q
area of a circle
A
A = πr^2
6
Q
circumference of a circle
A
C = 2πr
