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A triangle has sided and . For than triangle the following statements are given: Among the above statements, those which are true are ....

A triangle begin mathsize 14px style ABC end style has sided begin mathsize 14px style a comma space b comma end style and begin mathsize 14px style c end style. For than triangle the following statements are given: 

begin mathsize 14px style left parenthesis straight i right parenthesis space space space if space b squared equals a squared minus c squared comma space then space angle B equals 90 degree left parenthesis ii right parenthesis space space if space c squared equals a squared plus b squared comma space then space angle C equals 90 degree left parenthesis iii right parenthesis space space if space a squared equals b squared minus c squared comma space then space angle B equals 90 degree left parenthesis iv right parenthesis space space if space b squared equals a squared plus c squared comma space then space angle A equals 90 degree end style 

Among the above statements, those which are true are ....

  1. begin mathsize 14px style open parentheses straight i close parentheses space dan space open parentheses iii close parentheses end style 

  2. begin mathsize 14px style left parenthesis ii right parenthesis end style size 14px space size 14px dan size 14px space begin mathsize 14px style left parenthesis iv right parenthesis end style 

  3. begin mathsize 14px style left parenthesis ii right parenthesis end style size 14px space size 14px dan size 14px space begin mathsize 14px style left parenthesis iii right parenthesis end style 

  4. begin mathsize 14px style left parenthesis straight i right parenthesis end style size 14px space size 14px dan size 14px space begin mathsize 14px style left parenthesis iv right parenthesis end style 

Jawaban:

Perhatikan 

Teorema Pythagoras yang memenuhi adalah 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell a squared end cell equals cell b squared minus c squared end cell row cell c squared end cell equals cell b squared minus a squared end cell row cell b squared end cell equals cell a squared plus c squared end cell row blank blank blank end table end style

 

Teorema Pythagoras yang memenuhi adalah 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell a squared end cell equals cell c squared minus b squared end cell row cell c squared end cell equals cell a squared plus b squared end cell row cell b squared end cell equals cell c squared minus a squared end cell row blank blank blank end table end style 

Teorema Pythagoras yang memenuhi adalah 

begin mathsize 14px style table attributes columnalign right center left columnspacing 0px end attributes row cell a squared end cell equals cell b squared plus c squared end cell row cell c squared end cell equals cell a squared minus b squared end cell row cell b squared end cell equals cell a squared minus c squared end cell row blank blank blank end table end style

Jadi, jawaban yang tepat adalah C.

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