sebuah kerucut dg panjang pelukis 25 cm tinggi kerucut 24 cm tentukan luas selimut tsb

S= 25 cm
t= 24 cm
Ditanya= LS?

r²= S²-t²
r²= 25²-24²
r²= 625-576
r= √49
r= 7 cm

LS= πrs
LS= 22/7 x 7 x 25
LS= 22 x 25
LS= 550 cm²

Hopefully this is the best for you, stay focus and be the best, Buddy :)