ABCD is a trapezium in which AB | DC. If ZA = ZB=30°, what are the measures of the other two angles?
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Step-by-step explanation:
ABCD is a trapezium in which
AB
∥
DC
∠A=∠B=30
o
AB∥DC an AD is a transversal line.
∴ ∠A+∠D=180
o
⇒ 30
o
+∠D=180
o
∴ ∠D=150
o
AB∥DC an BC is a transversal line.
∴ ∠B+∠C=180
o
⇒ 30
o
+∠C=180
o
∴ ∠C=150
o
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