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mathematics

This topic has 1 expert reply and 1 member reply

Top Member

mathematics

Post Sun Sep 24, 2017 5:32 pm
Elapsed Time: 00:00
  • Lap #[LAPCOUNT] ([LAPTIME])
    Find the angle which is equal to four times its complement

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    Post Mon Sep 25, 2017 10:00 am
    Diophantus wrote:
    Find the angle which is equal to four times its complement
    OK

    Let X be the angle, therefore, 90-X is its complement

    X= 4(90-X)

    5X = 360

    X=72

    Check: complement of 72 degree angle is 18 degrees. Is 4*18 = 72 ? > yes

    Thanked by: Diophantus

    GMAT/MBA Expert

    Post Tue Sep 26, 2017 5:40 pm
    Not really a GMAT question though Smile

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