Question

If two squares X and Y have each side of 10 m and 20 m respectively, then the side of the square Z whose area is equal to the sum of the areas of square X and square Y is:

• A. $10\sqrt3$
• B. $10\sqrt2$
• C. $10\sqrt7$
• D. $10\sqrt5$

Answer 1

Answer: (D)

$10\sqrt5$

Answer 2

The correct option is (D) :$10\sqrt5$