Question

The length, in centimeters, of a diagonal of a rectangle is represented by the expression below.

Which of the following is closest to the length of the diagonal?
(A) 5 centimeters
(B) 7 centimeters
(C) 18 centimeters
(D) 25 centimeters

Answer 1

(C)18, this question is very simple. 11x11=121
14x14=196
Add the two together to get 317 and find the square root. The square root of 317 is 17.8044938148 which is closest to 18 pretty much

Answer 2

(C) 18 centimeters