Maths Question

2007-12-24 8:07 pm

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回答 (2)

2007-12-24 8:22 pm
✔ 最佳答案
I think there are 4 pairs of similar triangles in the figure

let E be the centre of the figure

ABE similar to CDE
BCE similar to ADE
ABC similar to ADC
ABD similar to BCD
2007-12-24 8:23 pm
4pairs
let中間ac同bd o既interception point係x
abx~cdx(aaa)
axd~bxc(sas)應該係congruent triangles
abd~bac(sas)congruent
adc~bcd(sas)都係congruent

congruent triangles唔知你計唔計similar,計就4,唔計就1
參考: 中學知識


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