need math help for this.

Answer:
You need to use the ruler to measure the sides. Find the area of the whole square and subtract that from the area of the white square. That's your answer.
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so for me the total sum of both triangle
T1 = 3.50*2.75=9.625
T2 = 2.25*1.75=3.9375 appr =3.938
divide by smallest value
9.625/3.938 = 3.938/3.938
=(2.441)^2
=5.6 =6.0
=6 inc^2
please I really need brainliest thanks