math

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Across
  1. 1. the distance around the circle ( the perimeter of the circle)
  2. 4. triangle: has three angles < 90 degrees
  3. 6. triangle: has two equal sides
  4. 7. angles: angles that are side by side( share a ray and vertex)
  5. 8. has one endpoint and goes Infinity in One Direction named using the endpoint and another point on the ray
  6. 10. angles: two angles located on opposite sides of a vertex( they are congruent)
  7. 13. four congruent sides 4 right angles
  8. 14. 3 sided shape with 3 angles that have a sum of 180 degrees
  9. 15. angles: two angles that equal 180 degrees
Down
  1. 2. angles: two angles that equal 90 degrees
  2. 3. triangle: has three equal sides
  3. 5. parallel sides that are congruent four right angles
  4. 9. triangle: has one angle> 90 degrees
  5. 11. triangle: has one angle= 90 degrees
  6. 12. triangle: has no equal sides
  7. 13. part of a line can be measured named by using two endpoints