February 25, 2017

Homework Help: 11th Grade Maths

Posted by Akash on Wednesday, May 12, 2010 at 2:02am.

The difference between the two acute angles of a right- angled triangle is 2 π/5 radians. Express the angles in degrees.
I’ve multipled 2 π/5 * 180/ π and got the result 72 degree But the answer is 81 degree and 9 degree. Please explain me!!!

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