Answer:
a = 104
Step-by-step explanation:
The sum of the angles round a point is 360°
Sum the 4 angles and equate to 360, that is
126 + a + 26 + a = 360, that is
2a + 152 = 360 ( subtract 152 from 360 )
2a = 208 ( divide both sides by 2 )
49-63
1. (7·7) - (7·9)
2. (49) - (63)
3. 49 - 63 = -14
Hoped I helped!! :)
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