Question

Tolong bantu jawab soal ini pakai cara yah..

Answer 1

1. L=22/7×14×14÷2=308cm2(B)
2. L= 3,14×6×6=113,04cm2(C)
3. L=22/7×42×42
=132×42×2/3
=5544×2/3
=1848×2
=3696cm2(B)
4.L=22/7×21×21=1386cm2÷4=346,5cm2(D)
5. L= 3,14×16×16=803,84cm2
= 803,84×3/4
= 602,88cm2(C)
6. 120/360=1/3
L=1/3×3,14×30×30
=942cm2(A)
tolong teliti lagi,takut ada yang salah