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i) ABCD is a parallelogram. The ratio of ∠A and ∠B of this parallelogram is 5 : 4. Find the

measure of ∠B =?​

By Audrey

i) ABCD is a parallelogram. The ratio of ∠A and ∠B of this parallelogram is 5 : 4. Find the

measure of ∠B =?​

About the author
Audrey

the median of the following observation arranged in ascending order 91426 X + 2 X + 4 26 30-32 is 17 find x. Explain step by step​

The volume of a sphere is 54.38 cubic cm, find its radius. (Given that log 5438=3.73544, log 2.1= 0.32222, log 880= 2.94448 and lo

1 thought on “i) ABCD is a parallelogram. The ratio of ∠A and ∠B of this parallelogram is 5 : 4. Find the <br /><br />measure of ∠B =?​”

  1. Answer:

    80°

    Step-by-step explanation:

    Let the ratio be 5x and 4x for <A and <B respectively.

    We know that,

    Sum of adjacent angles of Parallelogram is supplementary.

    <A+<B=180°

    5x+4x =180°

    9x=180°

    x= 20°

    <B= 4(20°)= 80°

    Reply

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