October 2018 1 80 Report

Zadanie 10 ze strony 143 . MATEMATYKA 2001 PODRECZNIK DO GIMNAZJUM.

Oblicz dlugosc drugiej przyprostokatnej, wiedzac ze:

a) a=3, c= √12. b) b=2, c = √10.

c) a= √3, c=3. d) b= √2, c=2.

e) a= √3, c = √12. f) b= √5, c= √21.

g) a= √5, c=√15. h) b= √6, c= √11.

Tu jest przyklad :

b=√7 , c=5

c² = a² +b²

5² = a² + (√7)²

25 = a² + 7

25 - 7 = a²

18 = a²

√18 = a

3√2 = a

POMOZCIE. :C


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