Erus Find C.
Round to the nearest tenth.
20 ft)
22 ft
А 18 ft
B
C = [?]
Law of Cosines: <2 = a2 + b2 - 2ab cos C
Enter

Match the following reasons with the statements given to create the proof. 1. do = ob, ao = oc sas 2. doc = aob given 3. triangle cod congruent to triangle aob vertical angles are equal. 4. 1 = 2, ab = dc if two sides = and ||, then a parallelogram. 5. ab||dc if alternate interior angles =, then lines parallel. 6. abcd is a parallelogram cpcte