Perimeter and Are of polygons Flashcards
1
Q
rectangle (perimeter)
A
P= 2L + 2W
2
Q
Square (perimeter)
A
P= 4s
3
Q
Square (area)
A
A= s2
4
Q
rectangle (area)
A
A= lw
5
Q
Triangle (area)
A
A= 1/2 bh
6
Q
Triangle (perimeter, scalene triangle)
A
P= s1 + s2+ s3
7
Q
Triangle (regular polygon, perimeter)
A
P= 3s
8
Q
Trapezoid (perimeter)
A
P= s1 + s2+ s3+ s4
9
Q
Parallelogram (rhombus, perimeter)
A
P= 2L + 2W
10
Q
Parallelogram (rhombus, area)
A
A= bh
11
Q
What is a variable?
A
letters that represent unknown or changing values
12
Q
A # next to a letter implies _________
A
multiplication
13
Q
when you replace a variable with its numeric value
A
Substitution
14
Q
Triangle (regular polygon, perimeter)
A
P= 3s
