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Help me please I don’t understand this

Help me please I don’t understand this-example-1

2 Answers

3 votes

Answer:

159°

Explanation:

A circle measures 360°. We can use this knowledge to find the unknown angles.

(10x + 9) + (6x - 13) + 34 + 90 = 360

Combine like terms and solve for x.

16x + 120 = 360

16x = 240

x = 15

So, we have found the value of x, and can now find m∠YZU.

10(15) + 9 = m∠YZU

m∠YZU = 159°

We can ascertain that this is the answer by plugging in x for the initial equation we created.

(10(15) + 9) + (6(15) - 13) + 34 + 90 = 360

159 + 77 + 34 + 90 = 360 It works!

User Remus Rigo
by
7.5k points
5 votes

Answer:

D) 159°

Explanation:


10x+9+90+34+6x-13=360


16x=240
x=15


YZU=10*15+9=159


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hope it helps...

have a great day!!

User Marcel Wolterbeek
by
7.7k points

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