ivanbarriosramos ivanbarriosramos

07-09-2019
Mathematics

contestada

Find AB if BC = 3, BD = 5, and AD = 6

Respuesta :

macky326 macky326

07-09-2019

Answer:

Step-by-step explanation:

DC² = 5² - 3² By Pythagoras' Theorem

DC² = 25 -9 =16

DC = √16 = 4

AC = AD + DC = AD + CD = 7 + 4 = 11

AB² = BC² + AC²

AB² = 3² + 11² = 9 + 121 = 130

AB² = 130

AB = √130

AB ≈ 11.402

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