kevinsro101816
kevinsro101816 kevinsro101816
  • 25-02-2019
  • Mathematics
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Help me as soo as possible please, the M in Mbc stands for “angle”

Help me as soo as possible please the M in Mbc stands for angle class=

Respuesta :

AlonsoDehner AlonsoDehner
  • 26-02-2019

Answer:

Step-by-step explanation:

Given is a picture of circle with angle

BOC =7x-11

Also angle of arc BC = angle BOC = 3x+53

Since both are the same equate the two

[tex]7x-11=3x+534x=64x=16[/tex]

Now substitute this x value in any one of 3x+53 or 7x-11

Angle COB = angle BOC = 3x+53

= 48+53 = 101 degrees

-------------------------

To find length of arc

Central angle = 101

Hence arc lengh =[tex]\frac{101}{360} 2(\pi r)\\=2\frac{101}{360}(3.14)(5)\\=8.81[/tex]

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