Homework Help: 9gr

Posted by David on Thursday, September 9, 2010 at 8:07pm.

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 - Sean, Thursday, September 9, 2010 at 8:09pm
A Squared + B squared = C squared
9gr - Den, Thursday, September 9, 2010 at 8:22pm
I don't understand.????
9 grade math - PsyDAG, Friday, September 10, 2010 at 12:56am
The Pythagorean theorem is not needed here.

They are proportional.

1/.7 = x/28

Multiply both sides by 28.

28/.7 = x = ?
9gr - Brianna, Tuesday, February 15, 2011 at 6:44pm
40 m

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