lzc4 lzc4
  • 21-04-2019
  • Mathematics
contestada

Please find x for numbers 1 & 2. Greatly appreciated:)

Please find x for numbers 1 amp 2 Greatly appreciated class=

Respuesta :

zaizen2405
zaizen2405 zaizen2405
  • 21-04-2019

Answer:

1. 14.5

2. 16

Step-by-step explanation:

1. a^2 + b^2 =c^2

20^2 + 21^2 = c^2

400 + 441 = c^2

841 = c^2

[tex]\sqrt{841}[/tex] = [tex]\sqrt{c}[/tex]

29 = c

29/2 = x

14.5 =x

2. c^2-b^2 = a^2

34^2 - 30^2 = a^2

1156 - 900 = a^2

256 = a^2

[tex]\sqrt{ 256 }[/tex] = [tex]\sqrt{a}[/tex]

16 = a

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