**The perimeter of an isosceles triangle is 40 cm. The base is two third of the sum of equal sides. Find the length of each side.**

**Solution:**

**More Solutions:**

- Find the area of quadrilateral.
- Find the area of the quadrilateral field ABCD.
- ACD is an equilateral triangle of side 12 cm.
- AB = 6 cm, BC = 8 cm 13 and CD = AD = 13 cm.
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