Question 32029
a = 4.5
c = 10
Plug these in
{{{ a^2 + b^2 = c^2 }}}
{{{ 4.5^2 + b^2 = 10^2 }}}
{{{ 20.25 + b^2 = 100 }}}
subtract 20.25 from both sides
{{{ b^2 = 79.75 }}}
Square root both sides
{{{ b = sqrt(79.75) }}}
b is approx 8.9 inches