Answer:
81
Step-by-step explanation:
Its a perfect square and 27*3=81
Answer:
13 units^2
Step-by-step explanation:
one side of the square =



So area of square = Length * Length
=
*
= 13
Answer:
12 = 3 + p
Step-by-step explanation:
She has a total of 12 pencils
3 of them are red
The rest are "p"
p + 3 must equal 12 because she has a total of 12 pencils consisting of 3 red and "p" as the rest
To measure the length of a school hallway in metric units, you should probaly use meters