KMBT C554e-20160405115003 · DBE/Feb.-Mar. 2016 2.2 NSC The doorway of a museum is shown in the...
17
KMBT C554e-20160405115003 · DBE/Feb.-Mar. 2016 2.2 NSC The doorway of a museum is shown in the photograph and diagram below. It has two identical doors that can open to allow for