Question

find the value of the unknown in each of the following figures.​

Answer 1

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Answer 2

Answer:

(A)-NOT POSSIBLE BECAUSE HERE ONE ANGLE ,∠B= 180°

(B)-∠A+∠B+∠C=180°

     2b°+68°+64°=180°

     2b°+132=180°

      2b° =180°-132°

      2B°=48°

      B°=48°÷2

     B°=24°    (2B=24*2=48)

(C)-∠A+∠B+∠C=180°

    4C°+3C°+40°=180°

    7C°=180°-40°

     C°=140°÷7

      C°=20° (3C°=3*20=60°,,4C°=4*20=80°)

(D)-∠A+∠B+∠C=180°

    3D°+4D°+D°=180°

    8D°=180°

    D°=180°÷8°

    D°=22.5°(4D°=4*22.5=90,,3D°=3*22.5=   67.5,,D°=22.5)

HOPE THIS HELP YOU DEAR...................

Step-by-step explanation: