Question 204211
Solve for a:
{{{16a^2+9a^2 = 26^2}}} Add the terms on the left.
{{{25a^2 = 26^2}}} Divide both sides by 25.
{{{a^2 = 26^2/25}}} Take the square root of both sides.
{{{a = 26/5}}}
{{{highlight(a = 5.2)}}}