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Sunday, February 5, 2012

Terence's Textbook Questions 17, 10, 6

17.Carmel wants to mount an 18 cm x 18 cm square picture on a square board that is four times the area of the picture.

A) What is the area of the pitcher?
18x18=324cm
B) What is the area of the board?
324x4=1296cm
C) What are the dimensions of the board?
1296=36

10. Kai uses an entire can of paint on a square backdrop for the school play. The label on can states that one can cover 27m squared of wall surface. Estimate the backdrop's side length to one decimal place.
(5.1) 27=5.1

6. What is an example of a whole number that has a square root between 9 and 10.
100


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