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3 years ago

What is the measurement of angle BEC?

Mathematics

2 answers:

Mariana [72]3 years ago

6 0

Answer:

Step-by-step explanation:

what makes these tough is that you have to remember that the total of the angle is known, you know it to be 180 ° , so since you know the total just set all the part equal to that

180 = 4x + 6x-20 + 5x - 10

now you can slove for x with your mad algebra skilz :) if you don't have those yet. it's okay.. most people don't :D Super hero's and math whizzes only, seem to have those. :D

180 = 15x -30

210 = 15x

14 = x

now that we know what x is , plug it into the angle BCE

BCE = 6(14) -20

BCE = 84 -20

BCE = 64 °

Happy St. Paddy's day

shusha [124]3 years ago

4 0

Answer:

I think its -120 but am not sure so sorry if its wrong

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