Greg is covering a wall with equal-sized tiles that cannot be cut
into smaller pieces. the wall is 66 inches high by 72 inches wide.
what is the largest square tile that simon can use?
a. 9 in.
b. 16 in.
c. 36 in.
d. 64 in.

C. 36 in.

Step-by-step explanation:

The wall is 66 inches high by 72 inches wide.

The tiles are

a) 9 inch square = 3 by 3

b) 16 inch square = 4 by 4

c) 36 inch square = 6 by 6

d) 64 inch square = 8 by 8

Factors of 66 = 2 x 3 x 11

Factors of 72 = 2 x 2 x 2 x 3 x 3

Now, we can see that in both 66 and 72 , we have 2 x 3 common that is 6.

And square of 6 is 36.

So, the answer is option C.

step-by-step explanation:

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