Trapezoid ABCD AB parallel DC ad = BC AE, BF are the height of two waist respectively, and AE, BF intersect with point o Let BAE = x and C = y find out and prove the relation between X and y
∵AB‖DC ∴∠EBA=∠C
And ∵ ∠ AEB = 90 ∵ C + ∠ BAE = 90
So y = 90-x
(I can't use the condition of BF ⊥ AD)
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