Answer:
24 units
Step-by-step explanation:
Using Pythagoras' theorem,
Hypotenuse^2 = adjacent^2 + opposite^2
25^2 = x^2 + 7^2
x^2 = 25^2 - 7^2
x^2 = (25-7)(25+7)
x^2 = 18 x 32 = 576
Take the square root of both sides
x = 24 units
