Plis bantu mtk kls6​

1. Tabung

2. 6 × s²

=6 × 5²

=6 × 25

=B. 150

4.22 × π × r . (r + t)

Dik : t = 45 dm

r = 21 dm

π = 22/7

=2 × 22/7 × 21 dm . (21 dm + 45 dm)

=2 × 66 dm . (66 dm)

=132 dm . 66 dm

=8.712 dm² [B]