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4. If the length of the sides of a triangle are different,it is called scalene triangle.

5. Construction of a triangle when two of its sides and the included angle are given (SAS Triangle Construction)

6. The lengths of two sides of a triangle PQR where PR =5 cm, PQ=3 cm and the included angle P=700

7. To construct a triangle with two given sides and the included angle. We first draw a rough sketch of PQR and indicate the lengths of its sides and the measure of the included angle.

9. From the ray PY, cut off line segment PQ of length 3cm. From the ray PY, cut off line segment PQ of length 3cm.

10. Step:2 At P, draw an angle YPR of measure 70 0 using a protractor

11. Join QR. Thus, PQR is the required triangle.

12. The measures of to angles of a triangle, A=500, B=700 and the included side AB=4cm.

13. To construct a triangle with two given angles and the included side.

15. At A, draw XAB =50 0 using a protractor 0 0

16. . At B, draw YBA=70 0 using a protractor. At B, draw YBA=70 0 using a protractor

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