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Nataly [62]
3 years ago
5

Classify triangle ABC by its sides if side AB = 6x, side AC = 4x + 6 and side BC = 8x + 3. The perimeter of triangle ABC is 63.

Show all your work
Mathematics
2 answers:
Bad White [126]3 years ago
8 0

Answer:

AB = 18

AC = 18

BC = 27

Step-by-step explanation:

Solve for x first:

6x + 4x + 6 + 8x + 3 = 63

6x + 4x + 8x + 6 + 3 = 63

18x + 9 = 63

18x = 63 - 9

18x = 54

x = 54 / 18

x = 3

Now substitute x to all sides.

AB = 6x

6(3) = 18

AC = 4x + 6

4(3) + 6

12 + 6 = 18

BC = 8x + 3

8(3) + 3

24 + 3 = 27

18 + 18 + 27 = 63

63 = 63

sladkih [1.3K]3 years ago
3 0
6x + 4x+6 + 8x+3 = 63
6x+4x+8x = 63 - 3 - 6
18x = 54
x = 54/18
x = 3

Side AB = 6(3) = 18
Side AC = 4(3)+6 = 18
Side BC = 8(3)+3 = 27
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