Materi : Trigonometri
Aturan Cos
q² = p² + r² - 2pr . Cos Q
q² = 20² + (12√3)² - 2(20)12√3 . Cos 45
q² = 400 + 144(3) - 480√3 . √2/2
q² = 400 + 432 - 240√6
q² = 832 - 240√6
q = √( 832 - 240√6 ) cm { b. }
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
Materi : Trigonometri
Aturan Cos
q² = p² + r² - 2pr . Cos Q
q² = 20² + (12√3)² - 2(20)12√3 . Cos 45
q² = 400 + 144(3) - 480√3 . √2/2
q² = 400 + 432 - 240√6
q² = 832 - 240√6
q = √( 832 - 240√6 ) cm { b. }
Semoga bisa membantu
[tex] \boxed{ \colorbox{darkblue}{ \sf{ \color{lightblue}{ answered\:by\: BLUEBRAXGEOMETRY}}}} [/tex]