## Algebra 1

Substitute the given base position and simplify. $\sqrt {(5)^2+(4\times5)^2}\longrightarrow$ multiply within parentheses $=\sqrt {(5)^2+(20)^2}\longrightarrow$ simplify exponents $=\sqrt {25+400}\longrightarrow$ add $=\sqrt {425}$ find the square root $=20.6$