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geometry

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In triangle ABC,
• AB is x cm long
• BC is twice the length of AB
• AC is 10 cm longer than AB.
The perimeter of the triangle is 42 cm.
Write down an equation in x and solve it.
Use your answer to find the lengths of the sides of the triangle.

  • geometry - ,

    BC=2x
    Ac=x+10

    permiter=42=x+2x + 10+x
    solve for x

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