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iragen [17]
3 years ago
7

30 POINTS!! Will give brainliest What is ​ BC ​ ? Enter your answer in the box. units

Mathematics
2 answers:
andreev551 [17]3 years ago
6 0

Answer:

The answer would be - BC is 25

Step-by-step explanation:

  • Sides ab and ac are equal
  • 4 x + 1 = 2x +23
  • then after that you subtract 2 times from every side
  • 2x + 1 = 23
  • Then 1 more time from every side
  • 2x =22
  • Then divide by 2 on each side of the Triangle
  • x =11
  • BC = 3x -8
  • After you do all of this then you would sub. the  value of x
  • So BC = 3*11 -> 33 -8
Gemiola [76]3 years ago
4 0

Answer:

BC=25

Step-by-step explanation:

this is an isosceles  triangle, so sides AB and sides AC are equal

AB = AC

4x+1 = 2x+23

subtract 2x from each side

2x+1 = 23

subtract 1 from each side

2x =22

divide by 2 on each side

x =11

BC = 3x-8

substitute the value of x

BC = 3*11 -8

BC = 33 -8

BC=25


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ella [17]

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