Find the unknown length in each pair of the similar figure. Must show work.

1. 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 indirect measurement to find the length.

Question

Find the unknown length in each pair of the similar figure. Must show work.

1. 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 indirect measurement to find the length.

nurali · Answer

$$\frac{ 4 }{ 12 }=\frac{ 10 }{ x }$$

Cross Multiply

$$x=\frac{ 12*10 }{ 4 }$$

$$x=\frac{ 120 }{ 4 }$$

$$x=? feet$$