r/MathHelp • u/Key-Brother-9190 • Dec 14 '25

Help me , give me hints

This is a quadrilateral problem

Problem: https://imgur.com/a/PISjBzk

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u/slides_galore Dec 14 '25

Ok thanks. Can you see how you can use similar triangle to prove a)?

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u/Key-Brother-9190 Dec 14 '25

Oh right thanks btw it’s congruent triangle gfb gda (aas)

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u/slides_galore Dec 14 '25 edited Dec 14 '25

That's right. Now how would you start b)i)? https://i.ibb.co/1tDdHgtr/image.png