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Try and solve this math problem
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Try and solve this math problem

Try and solve this math problem-example-1
User Stefan Haberl
by
8.6k points

1 Answer

3 votes

BC = x

AB = BC - 6

AC = BC + (BC - 6) - 13 = 2BC - 19

AB + AC + BC = 78

substitute:

(BC - 6) + (2BC - 19) + BC = 78

4BC - 25 = 78 |+25

4BC = 103 |:4

BC = 25.75

Answer: 25.75 mm

User Veritas
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9.3k points
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