Question

The adjacent angles of parallelogram measure (4a+7) degree and (12a - 3) degree .Find the value of 'a' .Give reason also.​

Answer 1

Answer:

11

Step-by-step explanation:

Adjacent angles of a parallelogram are supplementary.

Thus, 4a+7+12a-3=180

16a+4=180

16a=176

a=11

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