<prompt> All of the following are the features of the displayed pelvis except:Sub-pubic angle more obtusePelvic inlet circular shapedTriangular obturator foramenSacrum long and narrow  <response>: Ans. D. Sacrum long narrow.The displayed pelvis shows circular pelvic inlet, sub-pubic angle more than 90deg, sacrum short wide, which are suggestive of female sex. 