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anonymous

  • one year ago

HELP BEFORE SCHOOL STARTS!! SUMMER WORK! The sum of the angle measures of a pentagon is 540 Degrees. In pentagon ABCDE, angles A, B, and C are congruent, and angle D and E are congruent. The measure of angle D is 30 Degrees greater than the measure of angle A. What is the measure of each angle? Please help i am freaking out, school starts in 20 minutes.

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  1. welshfella
    • one year ago
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    let measure of angle A be x. Then b = c = x also. Angle d = x + 30 and as e is congruent to d d is also = x + 30.

  2. welshfella
    • one year ago
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    so we have the equation 3x + 2(x + 30) = 540 solve this for x

  3. anonymous
    • one year ago
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    I think I can do that thank you so much

  4. welshfella
    • one year ago
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    yw

  5. anonymous
    • one year ago
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    96

  6. anonymous
    • one year ago
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    A,B,C=96 D,E=126

  7. welshfella
    • one year ago
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    thats correct

  8. anonymous
    • one year ago
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    126*2=252 96*3=288 288+252=540

  9. anonymous
    • one year ago
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    Answer and proof! Thank you!

  10. welshfella
    • one year ago
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    np

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