Show You Know pg. 83
Determine the area of a square with a side length of 16mm.
We all know that a square has 4 equal sides so you multiply the side length of 16mm by itself.
16x16=256 mm squared
The area of the square that has a side length of 16mm is 256 mm squared.
2)How would you use prime factorization to determine the square root of 225? Compare your answer with a classmate's.
So 225 is a perfect square.
After you compare it to your classmate's
6)A rectangle has an area of 64 m squared
a)Determine the prime factorization of 64.
b)Is 64 a perfect square? Explain.
c)Draw a square with that area and label its side length.
b) 64 is a perfect square because the prime factor is 2 and it can be divided into equal parts.
11)What is the area of a square with each side length?
a) 9 x 9 = 81 unit squared
b) 16 x 16 = 121 unit squared
a) 49 squared
b) 64 squared
c) 625 squared
I used a calculator for this question.
a) 49 squared = 7
b) 64 squared = 8
c) 625 squared = 25
Here is a site to help you with prime factorization.