In AVS triangle the S-straight line Corner, and a corner And makes 40%, and a corner of V-60 of % of S. find value of the sum of ugol of a triangle of AVS

90+36+54=180 gradusovugol C=90 of degrees 1) 90х0.4=36 degrees corners A 2) 90х0.6=54 degrees corners B 3) 90+36+54=180 degrees sums of corners of AVS
Answer add