Answer:
#4 x = [tex]2\sqrt{7}[/tex]
# 5 x = 46.648
Step-by-step explanation:
[tex]x^{2}[/tex] + 36 = 64
[tex]x^{2}[/tex] = 64 - 36
[tex]x^{2}[/tex] = 28
[tex]\sqrt{x^{2} } = \sqrt{28}[/tex]
x = 2[tex]\sqrt{7}[/tex]
Solution for #5 is similar
Solve the left side triangle then use that value to solve the triangle on the right.