This math topic focuses on calculating the remainder of a 90-degree angle when part of the angle is already given. Each question presents a scenario where a 90-degree angle is split into two parts, with one part known, and students are required to determine the degree measurement of the unknown part. The problems enhance skills in basic angle subtraction and understanding of complementary angles in the context of intersecting, parallel, and perpendicular lines in geometry. Students must select the correct answer from multiple choices, boosting their proficiency in basic arithmetic and geometric concepts.
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A 90º angle is made up of a 53º angle and another angle. How many degrees is the other angle?