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What is this piece called, and what are its degrees?
This is part number 30602. Brickset refers to it as "Front 2x2 Sport" and on Bricklink it is "Slope, Curved 2 x 2 Lip, No Studs".
The top is curved, so it doesn't have a clean angle like some slopes do and it's name doesn't include an angle measures in degrees.
Required, but never shown