Marcia is 1.5 meters tall. she casts a shadow that is 2 meters long. a nearby building casts a shadow that is 24 meters long. how tall is the building? (hint: use the properties of similar triangles.)
a. 48 m
b. 36 m
c. 18 m
d. 7 m
---------------------------------------------------------- Define x : ---------------------------------------------------------- Let the actual height of the building be x.
---------------------------------------------------------- Find the actual height of the building : ---------------------------------------------------------- [tex] \dfrac{1.5}{2} = \dfrac{x}{24} [/tex]
[tex]2x = 1.5 \times24[/tex]
[tex]2x = 36[/tex]
[tex]x = 18[/tex]
---------------------------------------------------------- Answer: The building is 18m tall. (Answer C) ----------------------------------------------------------