Question

ΔABC ~ ΔXYZ. Find XY

Answer 1

`6`

Explanation:

`\mathrm{Solution:}\\(AC)/(XZ)=(AB)/(XY)\ \ \ \ \ \ \mathrm{[Corresponding\ sides\ of\ similar\ triangles\ are\ proportional.]}\\\\\mathrm{or,\ }(15)/(5)=(18)/(XY)\\\\\mathrm{or,\ }3XY=18\\\mathrm{or,\ }XY=6`

Answer 2

15/18 = 5/XY

15 ÷ 5 = 3, so 3 × XY = 18---->XY = 6