Area
Area of a rectangle with width 2 and length 5
What is 10
3x=12
What is x=4?
2x-5=15
What is x=5?
22
4
square root of 4
2
Area of a square with side length 6
What is 36?
x-5=10
What is x=15?
3x+2=11
What is x=3?
42
16
square root of 16
4
Area of a rectangle with length 12 and width 5
What is 60?
x/2=10
What is x=20?
4x-3=21
What is x=6?
32
9
square root of 36
6
Area of a triangle with base 10 and height 5
What is 25?
x+10=25
What is x=15?
10=4x-2
What is x=3?
82
64
square root of 144
12
Area of a triangle with height 12 and base 10
What is 60?
10x=25
What is x=2.5?
15=5x-5
What is x=4?
122
144
square root of 169
13