Related Clues:

• Viewpoint from Stranglers
• Geometry class measure
• It's at an angle to the horizontal
• Viewpoint no good — bitter about that?
• Right __ (90-degree shape)
• Particular perspective
• Acute figure, perhaps
• Trigonometry topic
• Figure that might be obtuse
• Selfie choice
• Theta, in geometry
• Selfie taker's concern
• Member of a Germanic people who conquered England
• Germanic invader offers perspective
• Fish for trout