## Tuesday, December 8, 2009

### Elissa's Scribepost for December.8

QUESTION #13
What is the side length of the square shown?
-The side length of 49mm squared is 7mm
How i got this answer is 7x7 =49mm

QUESTION #25
a) A square digital photo on the computer has a area of 144 cm squared.
-What is the side length of the photo?
-12mm . How i got the answer is 12 x 12 = 144 .

b)-The photo is emlarged so that the side length is now 36cm. What is the area of the enlarged photo?
-The area is 1296cm , How i got the answer is 36x36 =1296cm.

c)-How many times as large as the original area is the enlarged area ?
-9 times.

d)How many times as large as the original side length is the enlarged side length?
-3 times.

e)Use what you know to about the square root of a perfect square to identify the relationship between the numbers in part c) and d)
- It multiplys by 3

#### 1 comment:

Jex (Juan Exequiel)8-17 said...

Good job Elissa. I like how you explained the questions really well.
But some of your questions weren't answered and you didn't put color.

But good job again.