" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
c² = a² + b² - 2.a.b .cos C
c² = (6√3)² + (9√6)² - 2 .(6√3).(9√6) .cos 45°
c² = 108 + 486 - 108√18 . 1/2√2
c² = 594 - 54 .√36
c² = 594 - 54 . 6
c² = 594 - 324
c² = 270
c = √270
= √9 .√30
= 3√30