Asked by algaeeeee

Sephora draws a square with an area of 289 square centimeters. What is the length of one side of the square?
Answered by algaeeeee
is it 18 cm?
Answered by algaeeeee
16 cm
17 cm
15 cm
18 cm

those r the choices
Answered by Damon
ah,on my calculator 18*18 = 324
Answered by Damon
let me see, 7 times 7 ends in a nine.
Answered by henry2,
A = L*W.
W = L. So replace W with L:
A = L*L = L^2
289 = L^2
Take sq. root of both sides:
L = 17 cm.














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