Presentation ~ above theme: "ANGLE A number FORMED BY two NONCOLLINEAR RAYS v A typical ENDPOINT."— Presentation transcript:


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3 angle A figure FORMED BY 2 NONCOLLINEAR RAYS v A usual ENDPOINT.

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4 angle The two NONCOLLINEAR rays (ray BP & beam BC) room the sides of one angle.

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5 angle The allude where the rays intersect is dubbed the vertex of an angle.

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6 angle MNEMONIC S- Sides are 2 non-collinear rays. E- Endpoint is additionally called vertex. R- Rays are the 2 sides. V- vertex is the typical endpoint.

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7 AN edge SEPARATES A airplane INTO 3 PARTSINTERIOR ANGLE- point D EXTERIOR edge – allude H THE edge ITSELF P, A, W,C ●H ●D

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8 instances

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9 specify name AN angle

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10 USING 3 POINTS. EXAMPLE: ABC orCBA PBW or WBPAn edge is named by: using 3 POINTS. EXAMPLE: ABC orCBA PBW or WBP

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11 An angle is named by: 2. By THE peak ALONE. EXAMPLE: B

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12 An angle is named by: 3. BY using A NUMERAL. EXAMPLE: 1 1 1

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13 practice 3 2 1

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14 NAME THE ANGLES using 3 POINTSNAME THE ANGLES utilizing A numeral 3 2 1

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15 WHAT space THE political parties OF angle 3.

You are watching: Two noncollinear rays with a common endpoint

ANOTHER name OF angle 1. B or ABW PBC or ABC Segment AC and also ray AP 3 2 1

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16 WHAT IS THE common SIDE of 2 and also 3?Segment AC 3 2 1

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17 Name angle Name the 3 angles in the diagram. Example 5WXY, or YXW YXZ, or ZXY WXZ, or ZXW You must not name any of these angles X because all three angles have actually X together their vertex.

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18 Degrees: Measuring angle Angles space measured in units called DEGREES and also classified according to your measures.

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19 Acute angle an angle measuring between 0 and 90 degrees

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20 Obtuse angles an angle measuring in between 90 and also 180 degrees

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21 Right angle an edge measuring specifically 90 degrees.

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22 Obtuse angle an edge measuring in between 90 and 180 degrees

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23 Degrees: Measuring angle We measure the size of one angle using a machine called the PROTRACTOR.

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25 exactly how TO use A PROTRACTOR

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26 Place the center suggest of the protractor top top the crest of the angle.

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27 Line increase the note labeled 0 top top either range with one side of the angle.

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28 Read the range where it falls on the other side of the angle.

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29 Use a protractor because that exercises 1-2Construct an angle v a measure of 45 degrees. Build an angle with measure of 125 degrees.

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30 QUIZ 1. Name THE ANGLES making use of 3 POINTS. 2. WHAT room THE sides OF PAR?3. WHAT IS THE vertex OF DAR? D ns A R

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31 WHAT space THE species OF POLYGON?HOMEWORK WHAT IS A POLYGON? WHAT room THE varieties OF POLYGON?

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