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Mathematics, 16.02.2021 21:00 zahinparvez69

Pe cercul C(O, r) se considera punctele A, B,C si D, in sensul opus miscarii acelor de ceasornic, astfel incatm(AB)=110,m(BC)=70,m(CD)=100 a) Aflaţi măsura arcului mic determinat de punctele A si D.
b) Calculati m(CAOB), m(BOC). m(<COD), m(COD).
c) Arataţi că punctele A şi C sunt diametral opuse
Pozițiile u
Definitie:
w
Definitie
m( EOD) = 90°
a) Determinați măsurile arcelor mici determinate de punctele A şi C, respecto
b) Determinaţi măsurile arcelor mari determinate de punctele A şi E, respectiv
18. Pe cercul (0,r) se consideră punctele A, B, C și D astfel incat mine
m(<COB) = 70°. (OcExt(COB) şi m(BCD) = 210°
a) Determinati m(CD).
b) Determinati m(<AOD).
c) Dacă (OM este bisectoarea <<AOB. Me (0,r), determinați m(MC).
19. Măsura arcului mic MN reprezintă 25% din masura cercului (0,r). Determina
m(<MON).
20. Măsura arcului mare AB reprezintă 95% din măsura cercului (0.7). Determina
parte a dreptei 04. Calculați m(BC) şi lungimea segmentului (CD)
16. Pe cercul (or) se consideră punctele A, B, C si D. in sensul opus mich
17. Pe cercul (0,r) se consideră punctele A, B, C, D si E, in sensul mic
de ceasornic, astfel incat (AOB) = 30°, m(BOC) = 120°, mi<CODE
de ceasornic, astfel incat (AB) = 110ºm BC) = 70°. m(CD) - 10

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Pe cercul C(O, r) se considera punctele A, B,C si D, in sensul opus miscarii acelor de ceasornic, as...
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