Shapes

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Across
  1. 1. A flat geometric figure that has four equal sides.
  2. 3. A three-dimensional surface or solid created when a closed curve, usually a circle is rotated about the axis of a line.
  3. 4. A conventionalized flat figure having (usually five or six) symmetrical projecting points.
  4. 6. A figure so shaped that every point on its surface is an equal distance from its center.
  5. 7. A flat geometric figure that has three sides and three angles.
Down
  1. 1. It is a special curve in mathematics.
  2. 2. A polyhedron with 4 triangular faces, in other words, a triangular pyramid.
  3. 5. It is defined as a shape with four sides.