Tolong jawab dengan caranya kak

Jawaban:

a. AC = √AB² + BC²

= √12² + 16²

= √144 + 256

= √400

= 20Cm

b. Sin α = Depan / Miring

= 16/20

= 4/5

Cos α = Samping / Miring

= 12/20

= 3/5

Tan α = Depan / Samping

= 16/12

= 4/3