The ratio of an Isoceles 7:6:7, find the base angles
Isoceles (2 sides equal that the base)​

The ratio of an Isoceles 7:6:7, find the base angles
Isoceles (2 sides equal that the base)​

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  1. Answer:

    Taking 7:6:7 as ratio of angles.

    Let the angles be 7x, 6x, 7x.

    Now sum of all angles is 180 in a ∆.

    So, 7x+6x+7x=180°

    20x=180°

    x=180/20=9°

    Now, base angles are equal, so they are both 7x.

    Hence, ans is 7x=9×7=63°

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