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Circle and its terms Class Presentation.pptx
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- 5. MELC: Illustrates a circleand the terms related to it: radius, diameter chord, center, arc, chord, central angle, and inscribed angle.
- 6. RADIUS is aline segment from the center to any point of the circle. CHORD is a line segment whose endpoints lie on the circle. DIAMETER is a line segment that runs from one side of a figure and passes through the center. MINOR ARC is an arc of a circle that is smaller than a semicircle. SEMICIRCLE is an arc of a circle whose first and third points are the endpoints of the diameter, and the middle point is any point of the arc between the endpoints. MAJOR ARC is an arc of a circle that is larger than a semicircle. CENTRAL ANGLE is an angle whose vertex is the center of the circle. INSCRIBED ANGLE is an angle whose vertex is on circle and whose sides contain chords of the circle. A SECANT of a circle is a line that intersects in two points. It also contains a chord. TANGENT of a circle is a line lying on the same plane that intersects the circle in exactly one point.
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- 11. Arc PE Arc EA ArcAK Arc KP Arc EC Arc CA Arc CK Arc CP MINOR ARC
- 12. Arc KAP Arc EPA ArcEKA MAJOR ARC
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- 14. INSCRIBED ANGLE isan angle whose vertex is on circle and whose sides contain chords of the circle. ∠𝑬𝑷𝑨 ∠ 𝑷𝑬𝑲 ∠𝑬𝑲𝑨
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- 17. TANGENT of acircle is a line lying on the same plane that intersects the circle in exactly one point.
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- 20. ACTIVITY: Direction: Read the situationbelow then answer what is being asked. Use A4 size bond paper and insert your output inside your envelope to be passed during the retrieval.
- 21. You are theyoungest in a family of four. You kindly asked your mother for a snack because you are hungry after your Mathematics Class. But when she checked if there is available food for you, she found out that your sister just ate the last roll of shanghai your mother cooked.
- 22. So, she askedyour father to buy one box of pizza, four 22oz of Milktea, 8 pcs of chicken wings buffalo, and 4 pcs of yamburger for the whole family. Your father left home at 3:20 PM to buy those snacks and came home at exactly 4PM.
- 23. Your father toldyou to just eat your snacks because he needs to go out with your mother to practice for the Amian Festival Street Dance Competition. Your sister also went out with her classmates.
- 24. You decided toopen the box of pizza first. Then you discovered that the pizza was not yet cut. For you to be able to eat pizza, you have to cut it into four.
- 25. Your father instructedyou to just cut the pizza pie the way you want it, given that you are hungry and your sister already ate her snack.
- 26. Given: 1. The totaldegree of the pizza is 360°. 2. The diameter of pizza is 12 inches.
- 27. Question: 1. How manyslices of pizza are you going to make? Why? (5pts) 2. What is the measure of the arc of your pizza cut? Show your solution. (15 points) 3. What concept have you applied in cutting the pizza pie? Explain.(5pts) 4. How do problems involving parts and angles of a circle relate to the problem of cutting a pizza? (5pts)
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- 29. In a bondpaper,draw the pizza pie. Illustrate how you cut the pizza. Label the pieces by writing the name of the person who are going to eat each piece. Write the degree measures of the arc of your pizza cut.
- 31. ASSIGNMENT: • Read aboutPolygons. • Different names of polygons • Angles of Polygons (exterior and interior)
- 32. Any question? Thank youfor actively participating! God bless!