SOLUTION: A contractor has been hired to pour a rectangular concrete patio. How can he be sure that the frame in which he will pour the concrete is rectangular?

Algebra.Com
Question 1111092: A contractor has been hired to pour a rectangular concrete patio. How can he be sure that the frame in which he will pour the concrete is rectangular?
Answer by ikleyn(52780)   (Show Source): You can put this solution on YOUR website!
.
If two diagonals are of equal length, it usually is considered as a good test.


RELATED QUESTIONS

concrete can be purchased by the cubic yard. how much will it cost to pour a circular... (answered by ankor@dixie-net.com)
Concrete can be purchased by the cubic yard. How much will it cost to pour a slab 16 feet (answered by Alan3354)
A contractor orders 8 cubic yards of premixed cement,all of which is to be used to pour a (answered by josgarithmetic,ikleyn,Theo)
A contractor orders 8 cubic yards of premixed cement, all of which is to be used to pour (answered by checkley77)
6. A contractor orders 8 cubic yards of premixed cement, all of which is to be used to... (answered by josgarithmetic)
Sam has a 15 by 25 rectangular pool. He wants to pour a concrete deck of uniform width... (answered by lmeeks54)
Alex can pour concrete on a walkway (answered by ikleyn)
a concrete slab requires between 10 and 12 yd cubed of concrete. if 2.5 yd cubed of... (answered by Earlsdon)
Alex can pour concrete on a walkway in x hours alone while Andy can pour concrete on the... (answered by richwmiller)