Please help me quickly on this question! The given expression represents the area. Find the side length of the square. Hint: FACTOR!

asked May 14, 2019 122k views

4 votes

Please help me quickly on this question!

The given expression represents the area. Find the side length of the square. Hint: FACTOR!

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3 votes

a^2 = A
so
a^2 = 100r^2 - 220 r + 121
a^2 = (10r - 11)^2
a = 10r - 11

answer

the side length of the square = 10r - 11

Nelion answered May 19, 2019

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