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Posted by 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 - , Thursday, September 9, 2010 at 8:09pm

    A Squared + B squared = C squared

  • 9gr - , Thursday, September 9, 2010 at 8:22pm

    I don't understand.????

  • 9 grade math - , 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 - , Tuesday, February 15, 2011 at 6:44pm

    40 m

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