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

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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4 votes
Please help me quickly on this question!

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

Please help me quickly on this question! The given expression represents the area-example-1
User JimmyMcHoover
by
7.6k points

1 Answer

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
User Nelion
by
7.4k points
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