4 years ago

I need the answer for number 11

1 answer:

choli [55]4 years ago

3 0

90 / 2 = 45
169/13=13

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emmainna [20.7K]

Step-by-step explanation:

We have,

Diameter of cylinder, d = 39.2 mm

Radius, r = 19.6 cm

Height of the cylinder, h = 39.2 mm

It is required to find the surface area of this cylinder. The formula of the surface area of cylinder is given by :

$S=2\pi rh+2\pi r^2\\\\S=2\pi r(h+r)$

Putting all values we get :

$S=2\times\dfrac{22}{7}\times19.6\cdot(39.2+19.6)\\\\S=7244.16\ mm^2$

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3 years ago

makvit [3.9K]

Answer:3

Step-by-step explanation:

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3 years ago

-Dominant- [34]

Answer:

The answer is 3

This triangle is equal to the legs and also angular and by using Pythagoras then

${x}^{2} + {x}^{2} = {(3 \sqrt{2}) }^{2} \\ 2 {x}^{2} = 18 \\ then \: x = 3$

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3 years ago

katrin2010 [14]

Answer:

Answer to part a. is 169/16. Answer to part b. is 84.5.

Step-by-step explanation:

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4 years ago

Zielflug [23.3K]

-1,568

22 - 1,600 = 1,578
1,578 + 10 = 1,568

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4 years ago