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99Henry
Answers (1)
a = 6 Ft. b = c-3. c = ? a^2 + b^2 = c^2. 6^2 + (c-3)^2 = c^2. 36 + c^2-6c+9 = c^2. 36 - 6c = -9. -6c = -45. c = 7.5 Ft. = Length of ladder.
