Page 1 - Home Assignment-Introduction (construction)
P. 1

SAI International School
                                                      CLASS -IX

               Mathematics
               CHAPTER-11:CONSTRUCTION

               HOME ASSIGNMENT - 1



               Sub topic:  CONSTRUCTIONS


                                                                   0
                   1.  Construct an angle of  i)  75 0              ii) 135 .

                   2.  Draw a line segment AB of length 10 cm. Take a point P not lying on it.
                       Construct a perpendicular from P on AB.

                                                                                    o
                                                                                                    o
                   3.  Construct a triangle PQR in which PQ = 7.2 cm,        R = 30  and     Q = 90 .
                       Write the steps of construction.

                   4.  Construct an isosceles triangle LMN whose equal sides are 5 cm each and
                                                0
                       the vertical angle is 105 .

                                              0
                   5.   Draw an angle of 100  using protractor. Bisect it. Again, bisect the angles
                       obtained. Measure the new angles obtained.




































                                                            1
   1