Class 7 Chapter 15: Constructions

Class 7 Chapter 15: Constructions

Important Concepts and Formulas

1.      Perpendicular distance between two parallel lines at every point remains the same.

2.      There can be many lines parallel to a given line.

3.      From a given point, one and only one line can be drawn parallel to a given line.

4.      A unique triangle can be constructed if

            ·        its three sides are known.
            ·        the lengths of any two sides and the measure of the included angle are known.
            ·        the measures of two angles and the length of the side including them are known.
            ·        the length of one leg and the hypotenuse of a right-angled triangle are known.

            To see the construction of different types of triangles ----- Click Here!  

Please do not enter any spam link in the comment box.

Post a Comment (0)
Previous Post Next Post