ch.9 key terms

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Across
  1. 1. rational # whose square roots are whole #
  2. 3. a triangle w/ 1 obtuse angle
  3. 4. using properties of similar triangles to find measurements that are difficult to find
  4. 6. shapes,lines, and angles that are the same size and shape
  5. 7. an angle greater than 0 degrees but less than 90 degrees
  6. 8. do i really i to give u a hint
Down
  1. 1. a2+b2=c2
  2. 2. hears the challenge
  3. 4. a number that cannot be expressed as a/b were a and b are both integers and b is not equal to 0
  4. 5. figures that are the same shape but not the same size