abyruv101 abyruv101

16-05-2020
Mathematics

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Find the value of x. Show your work.

Find the value of x Show your work class=

Respuesta :

yoyokid094 yoyokid094

20-05-2020

Answer:

x = 11

Step-by-step explanation:

∠BCE + ∠ECF = 180°

∴(10x + 15)° + 5x° = 180°

(15x + 15)° = 180°

15x = 180° - 15°

15x = 165°

x = 165°/15°

x = 11°

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