Math Is Fun Forum

Q1)
Find AC in the following triangle, to two decimal places.

Q2)
Find BC in the following triangle, to two decimal places.

Q3)
In the diagram, PQRS is a trapezoid with base \overline{PQ}. Median \overline{MN} intersects the diagonals at X and Y. If SR = 12 and XY = 3, find PQ.

Thanks!