math
posted by tania sharmin .
in the given figure,QRSis a straight angle.If a=2c,c=2b,b=d/3,what is the value of d?plz help me plz

What kind of shape is this? It's hard to help when we don't know what the figure looks like.
posted by tania sharmin .
in the given figure,QRSis a straight angle.If a=2c,c=2b,b=d/3,what is the value of d?plz help me plz
What kind of shape is this? It's hard to help when we don't know what the figure looks like.