Tolong no 4 jawab pakai cara

A. 32:2 = 16 cm
B. 24:2 = 12 cm
C. 20 cm (16²+12² =400= √400= 20 )

op=1/2pr
op=1/2.32=16

oq=1/2.SQ
OQ=1/2.24=12

pq^2=op^2 + oq^2
pq^2=16^2 + 12^2
pq^2= 256 + 144
pq^2=400
pq    = 20

pq=qr=rs=sp=20