AOB and EOF are straight lines.&nbsp; ∠ AOE = 71˚&nbsp;,&nbsp; ∠ AOC and ∠ DOE are right angles,&nbsp; complete the answer below.&nbsp;<div>∠ BOF =&nbsp;<input min="0" type="number" id="imp5pg216q1_1" class="lineinput" placeholder="?">˚</div>