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Prove that angle in a semi …

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Prove that angle in a semi circle is a right angle .

    • Posted by Anuja Anil 8 years, 9 months ago

    CBSE > Class 09 > Mathematics
    • 1 answers

    Santhosh Chandrasekar 8 years, 9 months ago

    The central angle in a semicirle is 180o since it is a straight line. Inscribed angle is half of the central angle so 1/2 of 180o is 90o. 

    Hence angle in a semicircle is 90o.

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