Question

A rectangle is eight inch long and its diagonal is ten inches. What’s the width of the rectangle?

Answer 1

6 inch

Step-According to the Pythagorean theorem, the square length of the rectangle + the square width of the rectangle = the square length of the diagonal. So， 8 square + ? Square = 10 square, so 64 +? = 100. 100-64 = 36, 36 is the square of 6, so the answer is 6. Hope is correct. :)