Mathematics crossword puzzle

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Across
  1. 1. A straight line that touches the circle at a point
  2. 4. Line segments joined together to form a closed figure
  3. 5. A 3D shape that consists of two equal ends, flat surfaces or faces, and also have identical cross-sections across its length.
  4. 6. A Pyramid is a polyhedron formed by connecting a polygonal base and a point called the apex.
  5. 7. A line segment which joins any two points on the circle
Down
  1. 2. a line that passes through two lines in the same plane at two distinct points.
  2. 3. A perpendicular line segment drawn from the vertex of the triangle to the side opposite to it.