Answer: alternate exterior. 3. In the flag below, line a is parallel to line b. If m∠1 ... Find the given angle measure. Justify your answer. 4. m∠7. ANSWER: ... 110°; Sample answer: ∠2 and ∠8 are alternate ... parallel lines to find the measure of the missing angle. b. 28°. 10. Persevere with Problems Quadrilateral ABCD is.
