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The Dimension of Cone and Ball

The Dimension of Cone and Ball. Kerucut/ Cone. Limas beraturan yang memiliki alas berbentuk lingkaran. Memiliki satu alas dengan satu titik puncak. Pyramid which has circle base. Has one base with one peak spot. Surface Area Of Cone. Coat Area Cone : π rs Cone Area : π r(r+s).

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The Dimension of Cone and Ball

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  1. The Dimension of Cone and Ball

  2. Kerucut/ Cone Limas beraturan yang memiliki alas berbentuk lingkaran. Memiliki satu alas dengan satu titik puncak. Pyramid which has circle base. Has one base with one peak spot.

  3. Surface Area Of Cone • Coat Area Cone : πrs • Cone Area : πr(r+s) Note : Π =3.14r = the radius of bases = painter line

  4. Cone Volume • Volume :1/3 πr2 t Note : Π = 3.14r = the radiust = hight

  5. The example of cone

  6. Example • Find total area, volume, and coat area of : r(6 cm), height( 8 cm).

  7. The answer • We use theorema pythagoras to find the length of s.s2=r2+t2 and we get s = 10 cm • A) The coat area = πrs = 3.14 X 6 X 10 = 188.4 cm2

  8. B)Total Area : πr(r+s) :3.14 X 6(6+10) :301.44 cm2 • C) Volume :1/3 πr2t :1/3X3.14X36X8 :301.44 cm3

  9. Bola/Ball Rangkaian titik-titik pada suatu ruang yang mempunyai jarak yang sama dari titik tetap (pusat). Jarak tersebut disebut jari-jari bola. Network of spots in a room which have same distance from a still spot (center). That distance called radius.

  10. Surface Area(Luas permukaan) • Surface Area(SA)= 4 πr2

  11. Volume of ball ( Volume) • Volume(V)=4/3πr3

  12. Example • Find the area and the volume from ball that have r=6 cm

  13. Answer • A) The area : 4 πr2 : 4X3.14X36 : 452.16 cm2 • B) The Volume : 4/3 πr3 : 4/3X3.14X216 : 904.32 cm3

  14. The Example of ball

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