EmmaEllis123 EmmaEllis123

16-03-2021
Mathematics

contestada

Find the missing length indicated?

Find the missing length indicated class=

Respuesta :

akposevictor akposevictor

21-03-2021

Answer:

D. 15

Step-by-step explanation:

Let the missing length be represented as x.

Thus:

(24 - x)/12 = x/20 => angle bisector theorem

Cross multiply

20(24 - x) = x(12)

480 - 20x = 12x

480 - 20x + 20x = 12x + 20x

480 = 32x

480/32 = 32x/32

15 = x

Missing length = x = 15

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