→ aturan sinus ←
BC/sin A = AC/sin B
sin A
= BC/AC × sin B
= 12/16 × sin 120°
= 3/4 × 1/2 √3
= 3/8 √3
A = arc sin (3/8 √3) = 40,5° ✔
" Life is not a problem to be solved but a reality to be experienced! "
© Copyright 2013 - 2024 KUDO.TIPS - All rights reserved.
Verified answer
→ aturan sinus ←
BC/sin A = AC/sin B
sin A
= BC/AC × sin B
= 12/16 × sin 120°
= 3/4 × 1/2 √3
= 3/8 √3
A = arc sin (3/8 √3) = 40,5° ✔