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#quarter circle #black and white #circle sector #geometric shape #quadrant #unicode symbol

🥧⌔📐

#geometric sector #math sector #circle sector #pie chart slice #arc #disk sector

⚪️📐9️⃣0️⃣

#circle sector #90 degree sector #right angle sector #geometric sector #circle angle #measured circle

⚪️📐

#circle sector #circle wedge #pie slice angle #geometric sector #radial angle