The perimeter of triangle ABC is 50 cm. its side ab, bc and ac respectively 15 cm, 10 cm and (X + 4) find the value of x
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perimeter of triangle ABC = 50 cm.
50 cm = 15 cm + 10 cm + (X + 4)
50 cm = 25 cm + (X + 4)
50 cm - 25 cm = X + 4
25 cm = X + 4
25 cm - 4 = X
21 cm = X
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