3 years ago

HELP NEEDED!

Mathematics

1 answer:

Ilia_Sergeevich [38]3 years ago

4 0

Answer:

x = 12.6

Step-by-step explanation:

Sum of measure of all the arcs of a circle = 360°

m(arc CD) + m(arc CED) = 360°

Since, m(arc CED) = (20x)°

And m(arc CD) = (8x + 6)°

By substituting these measures in teh expression,

(20x)° + (8x + 6)° = 360°

(20x + 8x) + 6 = 360

28x = 360 - 6

28x = 354

x = $\frac{354}{28}$

x = 12.64

x = 12.6

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