Question

a toy is in the shape of the cone over a hemisphere of radius 8 cm.if the total height of the toy is 14 cm, then what is the total surface area of the toy?

Answer 1

HELLO DEAR,


,
radius of emisphere = 8cm

height of hemisphere =8cm

radius of cone =8cm

height of cone =14cm-8cm=6cm

slant height = l
=>
$\sqrt{ {8}^{2} + {6}^{2} } = \sqrt{100 } = 10$



T.S.A. of the toy =C.S.A. of cone+C.S.A. of hemisphere

πrl+2πr2 

  =>πr(l+2r)
$\frac{22}{7} \times 8(10 + 2 \times 8) \\ = > \frac{22}{7} \times 8 \times 26 \\ = > \frac{4756}{7} c {m}^{2} \\ = > 652.42c {m}^{2}$


hence TSA of the toy is 652.42cm2

I HOPE ITS HELP YOU DEAR,
THANKS

Answer 2

Answer:

4576/7

Step-by-step explanation:

solution and figure for reference is given.

Happy to help,thnx.