find the value of angle C ; given ab//de
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Answered by
1
Answer:
120°
Step-by-step explanation:
angle b = 120°
angle b = angle c (alternate interior angles)
therefore
Answered by
1
Answer:
70 degrees
Step-by-step explanation:
join line BD
so angle BDC = 180- 130= 50 (linear pair )
similarly angle DBC = 60 ( linear pair)
in triangle BDC angle BDC + angle DBC +angle BCD = 180 ( angle sum property of triangle)
50+60+angle BCD =180
angle BDC = 180 - 110
angle BDC = 70 degrees
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