Question

4) ) square ABCD is a parallelogram. The ratio of ZA and B of this parallelogram is 5:4
Find the measure of Aand B​

Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

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

the measure of ∠B = 80°

Step-by-step explanation:

ABCD is a parallelogram.

so ∠A + ∠ B = 180°

Let say ∠A  = 5x°

then ∠B  = 4x°

5x° + 4x° = 180°

=> 9x° = 180°

=> x° = 20°

∠B  = 4x° = 4 * 20 = 80°

the measure of ∠B = 80°