Aboren23 Aboren23

22-02-2021
Mathematics

contestada

If AB=7x, CB=5x+8 and BD AC what is the length of CB

If AB7x CB5x8 and BD AC what is the length of CB class=

Respuesta :

Hrishii Hrishii

22-02-2021

Answer:

x = 4

CB = 28

Step-by-step explanation:

In triangle ABC,

AB = CB..... (given)

Therefore,

7x = 5x + 8

7x - 5x = 8

2x = 8

x = 8/2

x = 4

CB = 5x + 8 = 5*4 + 8 = 20 + 8 = 28

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