In-a-triangle-ABC-with-BCA-90-the-perpendicular-bisector-of-AB-intersects-segments-AB-and-AC-at-X-and-Y-respectively-If-the-ratio-of-the-area-of-quadrilateral-BXYC-to-the-area-of-triangle-ABC-i

Tinku Tara June 4, 2023 Geometry 0 Comments

Question Number 19794 by Tinkutara last updated on 15/Aug/17

In a triangle ABC with ∠BCA = 90°, the perpendicular bisector of AB intersects segments AB and AC at X and Y, respectively. If the ratio of the area of quadrilateral BXYC to the area of triangle ABC is 13 : 18 and BC = 12 then what is the length of AC?

$$\mathrm{In}\:\mathrm{a}\:\mathrm{triangle}\:{ABC}\:\mathrm{with}\:\angle{BCA}\:=\:\mathrm{90}°, \\ $$$$\mathrm{the}\:\mathrm{perpendicular}\:\mathrm{bisector}\:\mathrm{of}\:{AB} \\ $$$$\mathrm{intersects}\:\mathrm{segments}\:{AB}\:\mathrm{and}\:{AC}\:\mathrm{at}\:{X} \\ $$$$\mathrm{and}\:{Y},\:\mathrm{respectively}.\:\mathrm{If}\:\mathrm{the}\:\mathrm{ratio}\:\mathrm{of}\:\mathrm{the} \\ $$$$\mathrm{area}\:\mathrm{of}\:\mathrm{quadrilateral}\:{BXYC}\:\mathrm{to}\:\mathrm{the} \\ $$$$\mathrm{area}\:\mathrm{of}\:\mathrm{triangle}\:{ABC}\:\mathrm{is}\:\mathrm{13}\::\:\mathrm{18}\:\mathrm{and} \\ $$$${BC}\:=\:\mathrm{12}\:\mathrm{then}\:\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{length}\:\mathrm{of}\:{AC}? \\ $$

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In-a-triangle-ABC-with-BCA-90-the-perpendicular-bisector-of-AB-intersects-segments-AB-and-AC-at-X-and-Y-respectively-If-the-ratio-of-the-area-of-quadrilateral-BXYC-to-the-area-of-triangle-ABC-i

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