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3. .

4. CONSTRUCTION OF A RIGHT TRIANGLE

5. IF THE ONE ANGLE OF A TRIANGLE IS 90,IT IS CALLED RIGHT TRIANGLE

6. Construction of a right triangle when its hypotenuse and one side are given [RHS Triangle Construction]

7. Given: The hypotenuse DF of a right triangle DEF is 4.2cm E=90 and EF=3.8cm

8. To Construct: A right triangle, given the lengths of its hypotenuse and one of the sides

11. Draw a line segment EF of length 3.8cm

12. .

13. With center F and radius 4.2cm, draw an arc of the circle, to intersect ray EX at D

14. Join DF Thus, DEF is the required triangle