allieick
allieick allieick
  • 11-12-2018
  • Mathematics
contestada

What is the length of angle BC?

What is the length of angle BC class=

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jimthompson5910 jimthompson5910
  • 11-12-2018

If you mean side BC (instead of angle BC), then the answer is 22 units.

To get this answer, set the sides AB and AC equal to each other and solve for x

AB = AC

2x - 24 = x - 2

2x-x = -2+24

x = 22

Since BC = x, and x = 22, this means BC is 22 units long.

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gmany
gmany gmany
  • 11-12-2018

We have m∠C = m∠B, therefore it's an isosceles triangle.

Therefore we have the equation:

2x - 24 = x - 2       add 24 to both sides

2x = x + 22      subtract x from both sides

x = 22

BC = x

Answer: |BC| = 22

Answer Link

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