In the following figure , the value of ∝ is
a) 20°
b) 15°
c) 25°
d) 30°
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Answered by
0
Answer:
15
Step-by-step explanation:
30+90+4a=180
4a=60
a=15
Answered by
0
90+4ß+30=180
4ß=60
ß=15°
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