3 years ago

How to write out the problem to 35x5.6=

Mathematics

1 answer:

7nadin3 [17]3 years ago

7 0

Answer:

Step-by-step explanation:

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The circumference of a circle is 18 pi feet. What is the area in terms of pi?

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Answer:

I am not sure if this is right but the answer is

The area of a circle with circumference 18π is 254.5

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3 years ago

Let G denote the centroid of triangle ABC. If triangle ABG is equilateral with side length 2, then determine the perimeter of tr

zhannawk [14.2K]

We know from Euclidean Geometry and the properties of a centroid that GC=2GM. Now GM=sin60*GA= $\sqrt{3}$ . Hence CM=GC+GM=3* $\sqrt{3} /$ . Now, since GM is normal to AB, we have by the pythagoeran theorem that:
$AC^2=AM^2+GM^2=BM^2+GM^2=BC^2$
Hence, we calculate from this that AC^2= 28, hence AC=2* $\sqrt{7}$ =BC. Thus, the perimeter of the triangle is 2+4* $\sqrt{7}$ .