Question

- A painter leans a 28-foot ladder against a house so that the base of the ladder is 9 feet from
the house. How high up the house does the ladder reach?

Answer 1

Answer:

26.51

Step-by-step explanation:

$a^{2}$ + $b^{2}$ = $c^{2}$

$9^{2}$ + $b^{2}$ = $28^{2}$

81 + $b^{2}$ = 784

-81.     =. -81

     $b^{2}$. =  703

   $\sqrt{b}$  = $\sqrt{703}$

      b = 26.51 (rounded)