The perimeter of an isosceles triangle is 24 cm, and one of its sides is 3 cm less than the other. What is the sum of the sides of this triangle?
| November 27, 2020 | education
1 case:
If the side x
Base x-3
x + x-3 + x = 24
3x-3 = 24
3x = 21
x = 7
Answer: 14
2 case:
If the side is x-3
Base x
x + x-3 + x-3 = 24
3x-6 = 24
3x = 18
x = 6
Answer: 6
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