Question

4 cm
3 cm
10. Figure 7.13 shows
a toy. Its lower part
is a hemisphere
and the upper part
is a cone. Find the
volume and the
surface area of the
toy from the
measures shown in
the figure.(It= 3.14)
Fig. 7.13​

Answer 1

Answer:

666

Step-by-step explanation:

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Answer 2

Answer:

Hey there!

Length of AB =√[(-2-0)²+(a-3)²]=√4+(a-3)²

Length of BC=√1²+(4-a)²=√1+4-a²

Length of CA=√1²+1²=√2

BC²=AC²+AB²

1+(4-a)²=2+4+(a-3)²

1+16+a²-8a=6+a²+9-6a

17+a²-8a=15+a²-6a

2+a²-a²=-6a+8a

2a=2

a=1

hope helped!