In a parallelogram abcd, the altitude from the vertex b to the side ad bisects side ad . the perimeter of abcd is 38 in, and the perimeter of △abd is 10 in less. find bd, ab, and ad.
On a cm grid, point p has coordinates (3,-1) and point q has coordinates (-5,6) calculate the shortest distance between p and q give your answer to 1 decimal place