Question

Help, please, what is the answer??

Answer 1

18.0

Explanation:

The three lines form a right triangle where 10 and 15 are the two legs of the triangle. You can use the pythagorean theorem to solve for the length of x.

x =
`\sqrt{15^(2) + 10^(2) }`

x = 18.028 (approximately 18)