Question

explain it. ................​

Answer 1

Answer:

150 is the answer

Step-by-step explanation:

80+(a-5)=2a

80-5=2a-a

75=a

therefore,

2a=2×75

=150

Answer 2

sum of interior angles = exterior angle so,

80+a-5=2a

80-5=2a-a

75=a

2a=75×2

= 150

hope it's help full

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