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【Haichuan Teahouse】Brain Series: Final question with low scoring rate

2021-08-11View Original

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In square ABCD, the side length is 8. E, F, G, and H are the midpoints of the four sides of the square. Find the area of ​​the small shaded square?
Reply #22021-08-11
The area is 12.8 AECG area = 4* 8=CE * Height (side length of shadow) CE calculates the side length of the shadow square based on the Pythagorean theorem and finally finds the area of ​​the shadow square.
Reply #32021-08-14
The idea is correct and the calculation results are also correct.

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