Trigonometry

1234567
Across
  1. 2. Man's best friend
  2. 6. all three sides are equal in a triangle
  3. 7. the longest side of a right triangle,opposite the right angle
Down
  1. 1. Large marsupial
  2. 3. Flying mammal
  3. 4. a unit of measurement of angles
  4. 5. Likes to chase mice
  5. 6. Has a trunk