konstrukce troj heln ku pomoc thaletovy kru nice n.
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Konstrukce trojúhelníku pomocí Thaletovy kružnice. ∆ABC: c = 8 cm, v a = 7 cm, a = 60°. Rozbor:. X. C. a. l. b. •. 7. a. A. 8. B. c. S. t. Konstrukce:. •. X. Postup konstrukce: c, │ AB │ = 8 cm S; S = A — B t, t(S, r = 4 cm) l;l (A; r = 7 cm)

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slide3

Konstrukce:

X

  • Postup konstrukce:
  • c, │AB │= 8 cm
  • S; S = A — B
  • t, t(S, r = 4 cm)
  • l;l(A; r = 7 cm)
  • Pa, {Pa} = t ∩ l
  • → BPa
  • a; │<BAX│= 60°
  • C;{C} = →AX∩ → BPa
  • ∆ ABC

C

l

Pa

A

S

B

t

slide4

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