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    Mathematics
    Grade9
    Easy

    Question

    In the triangle

    find the measure of ∠APQ.

    1. 30    
    2. 60    
    3. 80    
    4. 130    

    hintHint:

    Angle is a figure which is formed when two rays meet at a common point. Angles can be of many types one of them is central angles. Central angle is formed when two radii of a circle meet at the centre the circle. Central angle of a regular polygon can be determined by using the formula fraction numerator 360 over denominator N o. space o f space s i d e s end fraction. Here, we have to find the measure of angle A P Q which is the half of the central angle..

    The correct answer is: 60

      In the question there is a triangle as given in the figure.
      Here, we have to find the measure of angle A P Q.
      From the above figure we can say that, PQ bisects ∠APB.
      Since, ∠APB is 120 degree.
      So, angle A P Q is 60 degree.
      Therefore, the correct option is b, i.e., 60 degree.

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