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  • 14-03-2021
  • Mathematics
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PLZ HELP ASAP 20 POINTS PLZ ANSWER THIS HOUR IF AC = 26 cm, what is BC?
20 cm
24 cm
26 cm
2√194cm

PLZ HELP ASAP 20 POINTS PLZ ANSWER THIS HOUR IF AC 26 cm what is BC 20 cm 24 cm 26 cm 2194cm class=

Respuesta :

musiclover10045
musiclover10045 musiclover10045
  • 14-03-2021

AB = BD = 10cm

Now using the Pythagorean theorem:

26^2 = 10^2 + BC^2

Simplify:

676 = 100 + BC^2

Subtract 100 from both sides:

576 = BC^2

Take the square root of both sides:

BC - sqrt(576)

BC  =  24 cm

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