Question

name the vertex arms and angles
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Answer 1

Answer:

• An angle is formed by two rays with a common endpoint. Each ray is called an arm of the angle. The common endpoint is called the vertex of the angle. The measure of an angle is a number representing the spread of the two arms of the angle.

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Answer 2

Answer:

In chemistry, an element is a pure substance consisting only of atoms that all have the same number of protons in their atomic nuclei. Unlike chemical compounds, chemical elements cannot be broken down into simpler substance by chemical means .

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