Question

A square piece of paper 140 mm on a side is folded in half along a diagonal. the result is a 45° – 45° – 90° triangle. what is the length of the hypotenuse

Answer 1

In the given triangle the ratio of hypotenuse to one of the other sides is sqrt2 : 1

length of hypotenuse = 140 * sqrt2 =  198 mm to nearest mm