Find the value of a..
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Answered by
4
Answer:
3a+20°+2a-5°+a-5°+4a=360°
10a+10°=360°
10a=350°
a=35°
answer
Answered by
3
Answer:
3a+20°+2a-5°=180°(linear pair)
=5a+15°=180°
=5a=180°-15°
=5a=165°
=a=165°/5=33°
a=33°
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