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White raven [17]
3 years ago
9

Find the unknown measures ​

Mathematics
1 answer:
Oliga [24]3 years ago
7 0

Answer:

60.

Step-by-step explanation:

because hg = gj = hj , also all three angles are the same and since a triangle has 180' , 180/3 is 60

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Work out 23% of 42 give your answer correct to one decimal point
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Step-by-step explanation:

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The surface area of the solid is about ____ inches squared
Dafna11 [192]

Answer:

Surface area of the whole figure=  320.28inch^2

Step-by-step explanation:

The surface area of the figure :

Surface area of the cylinder(excluding top)+Surface area of the cone(excluding bottom)

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Surface area of the cylinder with one circular face

                                    =2\pi rh+\pi r^2

As,     \pi =\frac{22}{7}= 3.14

   =(2*3.14*3*13)+(3.14*3*3)\\\\=244.92+28.26\\\\=273.18inch^2

Surface area of the cone excluding  base:

                =\pi *r*l

l= slant height=5 inch       r= radius= 3 inch

Surface area of the cone =3.14*3*5

                                        =47.1inch^2

Total surface area of the whole figure=273.18+47.1

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12 over 2 - (-4 1 over 2 =
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Answer:

26 1/2

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26.5

Step-by-step explanation:

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