Cho biết khu vực tập trung nhiều dầu khi, khu vực tập trung nhiều than, sắt ở châu á

; to find the length of the hypotenuse, you have to use the pythagorean theorem, which states that, in a right triangle, .  and would be the two legs, while would be the hypotenuse. You need to plug in the values of the legs as and : . Solve for the squares of the two numbers, resulting in , and ultimately . Find the square root of  and , and you get .