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Monday, February 13, 2012

Textbook Questions

0. Kai uses an entire can of paint on a square backdrop for the school play. The label on can states that one can cover 27 m squared of wall surface. Estimate the backdrop's side length to one decimal place.

Answer 5.2 m √27 = 5.2

19. Estimate the square root of 160 100. Explain how you determined your estimate.

√160= 40
√100= 10
40x10= 400 answer 400

A) The area of the picture is 324 m2.
B) The area of the board is 1296 m2.
C) The dimensions of the board is 36 x 36.


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