plzz answer this fastt
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Answered by
12
90°+40°+5a=180°
5a=50°
a=50°/5
a=10
Answered by
2
Answer:
A =10
Step-by-step explanation:
90+40+angle aob=180
Angle aob =50
50=5a (V. O. A)
a=10
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