Area of Squares within Squares

Find the area of the following two squares.
Area          Area =10*10=100

Area          Area =5*5=25

Find the area of the purple region below.
Area of Purple:

Area of the purple, larger square   =   100

-Area of the smaller, white square=    -25

Answer: 75

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Area of Purple Region:

Area of the purple, larger square   =   16*16=   256 in2

-Area of the smaller, white square =   8*8  =   -64 in2

Answer: 192 in2

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