2 years ago

Given the diameter of a circle is 17 1/2cm, find its area. (use π=22/7)

1 answer:

6 0

Step-by-step explanation:

$area \: of \: circle = \pi{r}^{2} \\ = 22 \div 7{ \times (35 \div 2)}^{2} \\ = 3.14 \times 306.25 \\ = 961.625 {cm}^{2}$

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Kitty [74]

So we can use the formula 2lw +2wh+ 2lh, which is the surface area formula and we can set that to equal 20. 2lw +2wh+ 2lh=20

lw+wh+lh= 10

Let’s isolate L

Lw+Lh=10-wh

Let’s distribute L

L(w+h)=10-wh

L=(10-wh)/(w+h)

You can use this formula to plug in values for w and h and it will work as long as their products are less than 10

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fredd [130]

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hiiii i total can help im doing this in school

Step-by-step explanation:

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3 years ago

Given the diameter of a circle is 17 1/2cm, find its area. (use π=22/7)​