Lucinda wants to build a square sandbox but has no way of measuring angles. explain how she can make sure that the samdbox is meansuring only length.. a) arrange four equal-length sides so the diagonals bisect each other. b) arrange four-length sides so the diagonalsare equal in length c) make each diagonal the same length as four-length sides d) this is not possible, luninda has to be able to measure a right angle.

Arectangle with an area of 47 m² is dilated by a factor of 7. what is the area of the dilated rectangle? enter your answer in the box. do not leave your answer as a fraction.

True or false? a circle could be circumscribed about the quadrilateral below.

1- is the product of two rational numbers irrational or rational? first, make a hypothesis by multiplying two rational numbers. then, use variables such as x=a/b and y=c/d and the closure property of integers to prove your hypothesis. 2- what do you think the product of a nonzero rational number and an irrational number is? is it rational or irrational? make use of variables, the closure property of integers, and possibly a proof by contradiction to prove your hypothesis. 3- why do we have to specify that the rational number must be nonzero when we determine what the product of a nonzero rational number and an irrational number is? if the rational number were 0, would it give us the same result we found in part b?