find the missing angles of the following polygons (b) 30° 40°
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THe sum of the two angles is 70.
The other two angles are equal as shown in the picture.
total angle is 360
70 + x + x = 360
70 + 2 x = 36O =
2x = 360 - 70
2x = = 290
x = 145
Each ANgLE is 145
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