Question

question no 10 plssssssssss

Answer 1

Ds=5,(given)
then DR=5(refer your notes/book)
then RA =23-5=18
since RA=AQ
AQ=18.
now BQ=(AB-AQ)=29-18=11
now BQ=BP
and <B=90°(given),<p=90°,<Q=90°
hence OQBP is square as adjacent sides are equal
so all sides will be equal to 11
hence r=11