Question

In the following figure, find the value of “a”

Answer 1

Answer:

(3a+5)+(2a-25)=180 (linear pair)

5a-20=180

5a=180+20

5a=200

a=200/5

a=40

Step-by-step explanation:

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Answer 2

Answer: 4

Step-by-step explanation:

In the figure we know that,

(3a+5)+(2a-25)=180 degrees...... ( Linear Pair )

=> 5a - 20

=> 5a=20

=> a=20/5

=> a=4

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