Tolong yg ini kak please
Jawaban:
1. k = pi × d
= 3.14 ×50
= 157
3.luas = pi × r × r
= 3.14 × 10 × 10
= 314
4.luas = 1/2 pi × r × r
= 1/2 × 22/7 × 28 × 28
= 11 × 4 × 28
= 1232
Tolong yg ini kak please
Jawaban:
1. k = pi × d
= 3.14 ×50
= 157
3.luas = pi × r × r
= 3.14 × 10 × 10
= 314
4.luas = 1/2 pi × r × r
= 1/2 × 22/7 × 28 × 28
= 11 × 4 × 28
= 1232