Question

3. A toy is in the form of a cone of radius 3.5 cm mounted on a hemisphere of samen
The total height of the boy is 15.5 cm. Find the total surface area of the toy.
hamishare Who​

Answer 1

Answer:

A≈213.21cm²

r Radius

3.5

cm

h Height

15.5

cm

Using the formulas

A=

π

r

l

π

r

2

l=

r

2

h

2

Solving forA

A=

π

r

r

h

2

r

2

=

π

3.5

3.5

15.5

2

3.5

2

≈

213.20692cm²