4 years ago

How many degrees is one rotation that will put a regular pentagon back on top of itself?

1 answer:

8 0

If you rotate about the circumcentre of a regular polygon 72° it will overlap with the original image.

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Ivenika [448]

P P which is 12

Explanation: Pp

5 0

3 years ago

user100 [1]

Answer:

To simplify the following expression: 6 / (7+3i), we're going to multiply and divide the entire expression by (7+3i), as follows:

$\frac{6 (7-3i)}{ (7+3i)(7-3i)} = \frac{42-18i}{58} = 0.72 - 0.31i$

Now, the denominator has NO imaginary numbers.

5 0

4 years ago

denis-greek [22]

That can be expressed as, assuming x is the number, 2(x+15).

7 0

3 years ago

valina [46]

Yes! This work is all correct.

4 0

3 years ago

AlekseyPX

Answer:

=B2*C2+B3*C32.29*20 = 45.80 and 3.49*35 = 122.15.

Step-by-step explanation:

4 0

3 years ago