SOLUTION: Very stumped on how to do this problem... any help would be greatly appreciated!! In a right triangle, find the length not given. b = 2 c = root13 a = ? Thank you so mu

SOLUTION: Very stumped on how to do this problem... any help would be greatly appreciated!! In a right triangle, find the length not given. b = 2 c = root13 a = ? Thank you so mu

Algebra.Com

Question 251170: Very stumped on how to do this problem... any help would be greatly appreciated!!
In a right triangle, find the length not given.
b = 2
c = root13
a = ?
Thank you so much!!!!!
Answer by nyc_function(2741) (Show Source): You can put this solution on YOUR website!
a^2 + b^2 = c^2
a^2 + (2)^2 = (sqrt{13})^2
a^2 + 4 = 13
a^2 = 13 - 4
a^2 = 9
sqrt{a^2} = sqrt{9}
a = 3 and a = -3
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