What is this in standard form

Standard form is a way of writing down very large or very small numbers easily. For example, 4000 can be written as 4 × 10³.

step-by-step explanation:

use pothagarean therom

a^2+b^2=c^2 so first ac

acm is a right triangle because c= 90°

and am (the hypotenuse or c) =16+9 =25

but there is not enough info we need another angle or side length