a toy in the firm of cone mounted on the hemispher . the diameter of that and the hight of the cone are 6 cm and 4 cm respectively determine the surface area osf the toy use pie symbol =3.5
Answers
Answered by
1
Step-by-step explanation:
radius of the toy =6/2=3cm
height of the cone=4CM
slant height= √r^+h^
=√3^+4^
=√9+16
=√25
= 5
total surface area of toy = πrl+2πr^
=3.5×3×5 + 2×3.5×3^
= 52.5 + 63
= 115.5 cm
hope it helps you
Similar questions