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Brrunno [24]
3 years ago
13

What is the total surface area of a hemisphere that has a radius of 8cm

Mathematics
1 answer:
den301095 [7]3 years ago
3 0
3pi r 2 603.43 is the answer
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Hello i really need help, please help me. thank you :(
vlabodo [156]

Answer:

12/13

Step-by-step explanation:

The cosine of an angle in a triangle can be calculated as a relation between the adjacent side and the hypothenuse. So, in this case the adjacent side of θ is 24 and the hypothenuse is  26.

Then:

cos(θ) = 24/26 = 12/13

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How many solutions does the equation -2 + 2y + 3 =3 have
jeka94

Answer: y = 1

so 1! hopefully I helped!

Step-by-step explanation:

7 0
3 years ago
<img src="https://tex.z-dn.net/?f=%20%7B%28x%20-%20y%29%7D%5E%7B2%7D%20" id="TexFormula1" title=" {(x - y)}^{2} " alt=" {(x - y)
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Step-by-step explanation:

=  {(x - y)}^{2}  \\  =  {x}^{2}  - 2xy +  {y}^{2}

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ahrayia [7]

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4.45935

Step-by-step explanation:

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What is the length of the 9 centimeter ribbon in millimeters?
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multiply the length value by 10

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