Answer:
Explanation:
page 70/4
Reason 1. Given
Reason 2. Definition of angle bisectors (bisectors form ≅∠s)
Statment3. m∠2 =m∠3
Reason 4. Given
Reason 5. m∠1 +m2=90°, Reason 5. Definition of Complementary ∠s (they add-up to 90°)
Reason 6. because statment 2. and transition propriety ( if a=b and b=c then a=c)
Statment 7. ∠1 is complementary to ∠3