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Oduvanchick [21]
3 years ago
12

Tap the image to view it please I will give crown and points

Mathematics
2 answers:
AnnZ [28]3 years ago
6 0

Answer:

2886.34 mm

Step-by-step explanation:

The radius of the disc is given to be 35 millimeters. This means that the distance from the edge of the large circle to the center is 35 millimeters.

We need to find the large circle area and subtract the small circle area from it.

Large circle area:

Area = πr^{2}

        = π(35 mm)^{2}

        = 1225π

The radius of the small circle is half the radius of the large circle. 35/2 = 17.5

Small circle area:

Area = πr^{2}

        = π(17.5 mm)^{2}

        = 306.25π

Large circle - small circle =

1225π - 306.25π = 918.75π

                            = 2886.3<u>4</u> mm

         

wariber [46]3 years ago
3 0

Answer:

3848.45mm

Step-by-step explanation:

Area = \pi r^{2}

35^{2} = 1225

1225 * \pi = 3848.45

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Answer:

518

Step-by-step explanation:

14 x 74 = 1036      1036 / 2  = 518

( really need brainliest , hope it helps )

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I will mark Brainliest
Dima020 [189]
Answer: 10 verticesTo make a full circle(360 °), the number of 40° lines you need will be: 360/40=9 lines. So, the base of the pyramid would be made of 9 lines.Pyramid has a base and sides. The sides number is equal to the number of lines of the base. Then, the number of faces/vertices would be: 1 + 9= 10
If the question saying literally 40 edges(not degrees), then the pyramid base would be 40 lines. In this case, the number of vertices would be: 1+40=41
8 0
4 years ago
The radius of the circle above is 17 cm. What is the circumference of the circle? (Use pi = 3.14.)
Neko [114]

Answer:

D. 106.76 cm

Step-by-step explanation:

We want to find the circumference of the circle

The formula is

C=2 * pi *r

  = 2 * (3.14) * 17

   = 34*3.14

   = 106.76 cm

8 0
4 years ago
Find the perimeter of the following shape:<br> 3.6cm<br> 3cm<br> 7.2cm
VashaNatasha [74]
It’s 13.6

For finding perimeter, you just add all your values together.
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4 years ago
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natali 33 [55]

The answer is 3

2 + 1 = 3

hoped this helped :) ;)

8 0
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