Perbandingan Sudut tolong di jawab pakai cara besok di kumpul
Matematika
DNVSA
Pertanyaan
Perbandingan Sudut
tolong di jawab pakai cara besok di kumpul
tolong di jawab pakai cara besok di kumpul
2 Jawaban
-
1. Jawaban gugugaga2
10/sin 30 = AC/sin 90
10/ 1/2 = AC / 1
20 = AC
sudut C = 180-90-30= 60
10/ sin 30 = AB/ sin 60
10/ 1/2 = AB / 1/2 (3)^1/2
10= AB 3^1/2
AB = 10 / 3^1/2 = [10(3)^1/2] / 3 -
2. Jawaban niesrinaasmadina
1.sin de mi
sin 30 =10/AC
1/2 =10/AC
AC = 10 : 1/2
AC = 20 cm
AB =cos sa mi
cos 30 =AB/20
1/2√3 =AB/20
AB = 20 x 1/2√3
AB= 10√3 cm
2. CA = cos sa mi
cos 60 =10/CA
1/2 =10/CA
CA =10:1/2
=20 cm
BA = sin de sa
sin 60 = BA/20
=BA/20
1/2√3 =BA/20
BA=1/2√3 x 20
=10√3 cm