Answer:
a) The distance from Spruce Road to Pine Road along Oak Street is 11 miles,
b) The distance from Spruce Road to Pine Road along Main Street is 22 miles.
Step-by-step explanation:
a) Let x be the distance from Spruce Road to Pine Road along Oak Street,
By the given diagram,
[tex]tan 60^{\circ}=\frac{11\sqrt{3}}{x}[/tex] ( Since, tan Ф = Perpendicular / Base )
[tex]\sqrt{3}=\frac{11\sqrt{3}}{x}[/tex]
[tex]x=\frac{11\sqrt{3}}{\sqrt{3}}=11[/tex]
Hence, the distance from Spruce Road to Pine Road along Oak Street is 11 miles
a) Let y be the distance from Spruce Road to Pine Road along Main Street,
Again, by the given diagram,
[tex]y^2=(11\sqrt{3})^2+(11)^2[/tex] ( By the Pythagoras theorem )
[tex]y^2=363+121=484\implies y = 22[/tex]
Hence, the distance from Spruce Road to Pine Road along Main Street is 22 miles.