yang tau tonlomg kasih tau ya..trima kasih;)

36.1/2×π×r2
= 1/2×22/7×14×14
= 1/2×616
= 308
37. V=L. A×t
= 180×60
= 10800cm2
38. L.1. kubus = s×s
= 14×14 =196cm
L. 2. Balok = s×s
= 39×19 =741cm
= l. 1+l. 2
=308+10800 = 11108cm2
Maaf kalau salah semoga membantu :)