Show off your mathematical wit with this unique black t-shirt. This eye-catching tee features a right angle design with the text '=90°' and the phrase 'I'm always right.' The shirt is made from a comfortable, soft fabric and offers a classic fit, making it perfect for everyday wear. Ideal for math enthusiasts, teachers, or anyone with a clever sense of humor, this shirt is sure to spark conversation. Wear it to school, the office, or casual outings to express your intelligent and playful personality. Get ready to make a statement with this fun and stylish t-shirt!