What is the circumference of circle P? Express your answer in terms of

28 in.
14 in.
56 in.
7s in

28..

14π in

Step-by-step explanation:

Circumference of a circle is 2πr, and since AB is 14(the diameter), splitting that in half gets 7 (the radius). Plug that into the equation and you get:

2*7*π=C

14π=C

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step-by-step explanation:

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the answer is: d) o, f, and kr.

atomic radius of bromine (br) is 114 pm.

atomic radius of oxygen (o) is 73 pm.

atomic radius of fluorine (f) is 72 pm.

atomic radius of krypron (kr) is 112 pm.

the atomic radius of a chemical element is a measure of the size of its atom.

the atomic radius varies with increasing atomic number, but usually increases because of increasing of number of electrons.

the atomic radius decreases across the periods because an increasing number of protons, because greater attraction between the protons and electrons.