Question

http://prntscr.com/4wjai5


Can i has help @bibby

Answer 1

Its simple really, just plug in the height and area in to the base formula, multiply the numerator then divide that by the denominator.

Answer 2

\(\large b=\cfrac{2{\color{brown}{ A}}}{{\color{blue}{ h}}}\quad
\begin{cases}
{\color{brown}{ A}}=17cm^2\\
{\color{blue}{ h}}=5cm
\end{cases}\implies b=?\)

Answer 3

Why aren't the prnt.scrn links aren't working for me >_<