Answer:
+) m∠1 = m∠2 (vertical angles theorem)
+) m∠2 and ∠3 are supplementary (because a//b)
+)m∠3 = m∠4 (alternate interior angles theorem, c//d)
=> ∠1 and ∠4 are supplementary (substitution property of equality)
Step-by-step explanation:
Answer:
f
Step-by-step explanation:
Answer:
40
Step-by-step explanation:
hope you have a great day
Consider the <em>fraction</em> first ;




<em>Hence, Option B) is </em><em>required</em><em> </em><em>answer</em>