# 9gr

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1. At 11:00 a.m. a one-meter-high mailbox casts a 0.7-meter shadow. If a pole beside the mailbox casts a 28-meter shadow, how tall is that pole?

400 m
40 m
0.4 m
4 m

• 9gr -

A Squared + B squared = C squared

• 9gr -

I don't understand.????

The Pythagorean theorem is not needed here.

They are proportional.

1/.7 = x/28

Multiply both sides by 28.

28/.7 = x = ?

• 9gr -

40 m

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