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If a triangle has one side that is 21 inches and a second side that is 3 inches less than twice the third side what are the possible lengths for the second and third side?
Wiki User
∙ 14y ago
s1 = 21 in
s2 = 2s3 - 3 in s2 + s3 > s1
2s3 - 3 + s3 > 21
3s3 - 3 > 21
3s3 > 24
s3 > 8 s2 - s3 < s1
2s3 - 3 - s3 < 21
s3 - 3 < 21
s3 < 24
So that,
8 < s3 < 24, and
2(8) - 3 < s2 < 2(24) - 3
13 < s2 < 45
Wiki User
∙ 14y ago
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