perimeter + area of geometric shapes Flashcards
1
Q
formula for perimeter of a triangle?
A
a + b + c = p
2
Q
formula for area of a triangle?
A
(b x h)/2
3
Q
formula for perimeter of a square?
A
4 x a
4
Q
formula for area of a square?
A
a x a
5
Q
formula for perimeter of a rectangle?
A
2x (a + b)
6
Q
formula for area of a rectangle?
A
w x h
7
Q
formula for perimeter of a quadrilateral?
A
a + b + c + d
8
Q
formula for area of a parallelogram?
A
b x h
9
Q
formula for area of a trapezoid?
A
((a+b)xh)/2
10
Q
formula for perimeter of a circle?
A
2πr
11
Q
formula for area of a circle?
A
πr squared
