Science

Math

Humanities

... and beyond

Socratic Meta
Featured Answers

Topics

Given a right triangle #triangle ABC# with #C=90^circ#, if b=12, c=13, how do you find a?

1 Answer

Aug 25, 2017

Given that #Delta"ABC"# is a right triangle, one can use the Pythagorean Theorem find the length of side a:

#c^2 = a^2 + b^2#

#a = sqrt(c^2-b^2)#

#a = sqrt(13^2 - 12^2)#

#a=sqrt(25)#

#a = 5#

Related questions

See all questions in Solving Right Triangles

Impact of this question

4731 views around the world

You can reuse this answer
Creative Commons License