17. A fridge magnet has an area of 54 mm 2. Is 54 a perfect square? Use prime factorization to find the answer.
54=2x3x3x3, No 54 is not a perfect square, its an odd number- factors 2 and 3
19.The gym teacher told the students to run twice around the perimeter of the school field. The area of the square field is 28 900 m 2. What distance did the students run?
21.Kate wants to put a patio in her backyard. the patio stones each have an area of 1m 2. she created the rectangular design shown.
A) What is the area of the patio?
B) What are the 5 dimensions of another
rectangular patio she could build
with the same area?
C) Kate decides to make a patio with the
same area but she wants it to be a square
with whole number side lengths. Is this
possible? Explain your reasoning.
A) 56 m 2
B) 7m- 8m This is one set of dimensions for the patio.
C) No its not possible cause 56 is not a perfect square.