Which triangle’s unknown side length measures 7 units?
A
Image with description A right triangle is shown. The horizontal leg is labeled the square root of 6. The hypotenuse is labeled the square root of 43.B
Image with description A right triangle is shown. The horizontal leg is labeled 5. The hypotenuse is labeled the square root of 74.C
Image with description A right triangle is shown. The vertical leg is labeled the square root of 2. The hypotenuse is labeled 4.D
Image with description A right triangle is shown. The vertical leg is labeled the square root of 18. The hypotenuse is labeled 5.