Related Clues:

• Protractor target
• One might be acute or obtuse
• One of eight inside an octagon
• Early invader's point of view
• It's measured with degrees in geometry
• Principal has fallen from swing in corner
• Inclination to catch some fish?
• Point of view, opinion
• It might be right or obtuse
• Acute thing
• Measurement given in degrees
• View of one of Britain's invaders?