Question

a mailbox that is 4 feet tall casts a shadow that is 12 feet long. A street lamp across the street is 10 feet tall. use inderict measurement to find the length of the street lamps shadow

Answer 1

You can use a ratio I believe:

\[\frac{ 12 }{ 4 } = \frac{ x }{ 10 }\]

x = 30


So the shadow of the streetlamp is 30 feet tall...