7th Class Mathematics Sample Paper Mathematics Sample Paper - 3

  • question_answer
    Construct \[\Delta \]ABC, given m \[\angle \]A =\[60{}^\circ \], m\[\angle \]B = \[30{}^\circ \] and AB = 5.8 cm.

    Answer:

    Given, AB = 5.8 cm, m ZA == 60° and m ZB =\[30{}^\circ \].
    To construct a triangle with one side and two angles, we use the following steps:
    Step I: Firstly, we draw a rough sketch with measures marked on it.
    Step II: Draw a line segment AB = 5.8 cm,
    Step III: At point A, draw a ray AX making an angle of 60° with AB.
                                                                                                 
    Step IV: At point B, draw a ray by making an angle of 30° with AB.
    Step V: Let rays AX and BY intersect at C,
                               


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