An open box is made from a 20-cm by 30-cm piece of tin by cutting a square from each corner and folding up the edges. The area of the resulting base is 336 cm? What is the length of the sides of the squares?

Maci and i are making a small kite. two sides are 10". two sides are 5". the shorter diagonal is 6". round all your answers to the nearest tenth. 1. what is the distance from the peak of the kite to the intersection of the diagonals? 2. what is the distance from intersection of the diagonals to the top of the tail? 3. what is the length of the longer diagonal?