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Ppt.maths angles 1

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Ppt.maths angles 1

1. 1. THE ANGLES
2. 2. Mathematics Mathematics is the study of quantity, space, structure, andchange.Mathe maticians seek out patterns and formulate new conjectures.
3. 3. Belief in Angels is second fundamental beliefs of aMuslim. Malak and Mala’ika are the Arabic words ofthe Angel and Angels respectively. Angels are createdfrom light. They are not an imaginary figures or justillusions, rather they are real beings. Allah has createdmany kinds of Angels. Some of them are named inQuran and Hadith.
4. 4. Acute Angle an angle that is less than 90° Right Angle an angle that is 90° exactly Obtuse Anglean angle that is greater than 90° but less than 180° Straight Angle an angle that is 180° exactly Reflex Angle an angle that is greater than 180°
5. 5. Parts of an Angle The corner point of an angle is called the vertex And the two straight sides are called arms The angle is the amount of turn between each arm.
6. 6. There are two main ways tolabel angles:1. by giving the angle a name,usually a lower-case letter likea or b, or sometimes a Greekletter like α or θ2. or by the three letters onthe shape that define theangle, with the middle letterbeing where the angle actuallyis (its vertex).Example angle "a" is "BAC",and angle "θ" is "BCD"
7. 7. Submitted by, YADU GOPAN.S VIII.A Udayagiri