Math Crossword

12345678910
Across
  1. 1. a quadrilateral with four congruent angles and four congruent sides.
  2. 4. found by counting all the surrounding sides of the shape together.
  3. 6. the total space taken up by a flat (2-D) surface or shape of an object
  4. 7. has three sides
  5. 9. is any quadrilateral formed by two isosceles triangles whose bases are equal and coincide.
  6. 10. a quadrilateral shaped from isosceles triangle and its reflected figure to its base.
Down
  1. 2. area for said shape is found by multiplying the length and the width.
  2. 3. any quadrilateral that has a pair of parallel opposite sides.
  3. 5. a quadrilateral which each pair of its opposite sides is parallel.
  4. 8. a type of triangle which angles are all equal to 90 degrees.