【Haichuan Teahouse】Brain-teasing Series: Even elementary school students who don’t understand similar triangles can solve it
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In a right triangle, DE⊥AB, AC=6 cm, BE=6 cm. Find the area of the shaded region.
Old Fish won’t trick people, right? The conditions for this problem aren’t sufficient, right?
I misread it; I thought it was asking for AED
The area of the shadow, 18;P, can be easily determined using the ratio of the corresponding sides
But it doesn’t need to be similar; I haven’t figured out yet how to do it.