5 - 10. Given: ABD = ACDB.
_____5. Find the value of y.
_____6. Find the measure of AB.
_____7. Find the measure of BC if DA = 20 units.
_____8. Find the measure of DC.
_____9. Find the measure of ZC if m ZA=110°.
_____10. In ABCD, find the measure of ZD if m<B=45° and m <c=110°
