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I really need help with this ​

I really need help with this ​-example-1
User Gunstick
by
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1 Answer

4 votes

Answer:

11cm

Explanation:

Perimeter of triangle= sum of all three sides

28cm= AB +BC +AC

28cm= AB + 9cm +8cm

Bringing all constants to one side,

AB= 28 -9 -8

AB= 11cm (simplify)

I really need help with this ​-example-1
User Savetheclocktower
by
5.4k points
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