Question

Find z.
http://roads.advancedacademics.com/contentserver/content/roadssection/279450/questions/assessments/t-righttrianglespythagoreantheoremquiz/geometry_4.3_quiz_18q.gif

Answer 1

\[cosx=\frac{adjacent}{hypotenuse}\]
\[cos30=\frac{5\sqrt3}{z}\]
\[\frac{\sqrt3}{2}=\frac{5\sqrt3}{z}\]
Can u solve nw?

Answer 2

no :\

Answer 3

\[z=\frac{5\sqrt3*2}{\sqrt3}\]
vat abt nw?

Answer 4

\[Z=5\sqrt{3}\text{ Sec}[30{}^{\circ}]=10\]