Resulting 81519

From the corners of the square with a side length of 10 cm, we cut out small squares with a side length of 3 cm. What is the content of the resulting cross?

Correct answer:

S =  64 cm2

Step-by-step explanation:

a=10 cm b=3 cm  S1=a2=102=100 cm2 S2=b2=32=9 cm2  S=S14 S2=1004 9=64 cm2



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