Tuesday, December 8, 2009

Sierra's Scribepost

A square digital photo on the computer has an area of 144 cm².
a) What is the side length of the photo? The side length is 12 cm.
b) The photo is enlarged so that the side length is now 36 cm. What is the area of the enlarged photo? The area of the enlarged photo is1296cm²
c) How many times as large as the original area is the enlarged area? It is 9 times larger.

What is the square of each number?
a) 9 = 81
b) 11
= 121
Determine the value.
a) √9 = 3
b) √25 = 5

c) √ 1600 = 40

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