yeseniaxoo yeseniaxoo
  • 13-12-2018
  • Mathematics
contestada

What is the length of bc?

What is the length of bc class=

Respuesta :

jimrgrant1 jimrgrant1
  • 13-12-2018

Answer:

15 units

Step-by-step explanation:

ΔABC is right with ∠C = 90° and AB the hypotenuse

using Pythagoras' identity on the triangle

AB² = AC² + BC² , hence

BC² = AB² - AC² = 17² - 8² = 289 - 64 = 225

⇒BC = [tex]\sqrt{225}[/tex] = 15 units


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