Question 918410

You MUST understand the Pythagorean Theorem formula.  c is for hypotenuse, b and a are the legs.  Analyze the description and assign variables like THIS:


a,b,c;
c=2a, and b=9.


Use the formula!


{{{highlight_green(a^2+9^2=(2a)^2)}}}


Solve for a;
use a to evaluate c.