Triangles, quadrilaterals and polygons

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Across
  1. 4. - The smallest triangle of them all.
  2. 7. - includes square, rhombus, rhomboid, and triangle.
  3. 9. - I am a shape that has 3 sides.
  4. 10. - A triangle that has 2 equal sides.
Down
  1. 1. - the only triangle with an angle more than 90 degrees.
  2. 2. - I have four angles.
  3. 3. - A shape having seven angles.
  4. 5. - Also known as a kite.
  5. 6. - the amount of sides that a duodecagon has.
  6. 8. - The distance from the apex to bases is known as the?