please help this is the only thing i have left that i truly don't understand no links or troll for points i seriously need help (worth 50 points the highest it goes)

i dont understand the question? ?

step-by-step explanation:

his first public project he is asked to create a small scale drawing. the garden is a right triangle with base 25m and height 30m. are you trying to solve for the last side/hypotenuse? the irrational form of the answer would be 5\sqrt{61}

answer is c

step-by-step explanation:

81/12=324/x

x=48