KAYLA: And it’s a closed shape.It wouldn’t be much good as a pond otherwise. ADA: These properties tell us it’s a polygon.A polygon is a closed shape made of straight lines.Your pond is a type of ...

Polygons can be regular or irregular. If the angles are all equal, and all the sides are equal in length, it is a regular polygon. To find the sum of interior angles in a polygon, divide the polygon ...

Harvard might be America’s most elite university — but now it’s offering remedial math classes. The school’s math department is providing a new scaled-back math class for freshmen who are apparently ...

Colleges created remedial education classes to ensure students were sufficiently prepared for more advanced material. But increasingly, there’s a sense that remedial courses are hurting the prospects ...