mohon dijawab ,besok dikumpulkan:) pakai cara yaa;)

No. 31
Lp=πr(r+s)
5544=22/7.28(28+s)
5544=88(28+s)
5544/88=28+s
63=28+s
s=63-28=35
t²=s²-r²
=35²-28²
=1225-784
=441
t=√441=21
No. 32
Luas sisi=2πr²+luas selimut
=2.22/7.3,5.3,5+110
=77+110
=187