geo

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Across
  1. 2. In a right-angled triangle, the side opposite the right angle is called the _______________________.
  2. 5. When two lines cross each other, the vertically opposite angles formed are ___________________.
  3. 6. The distance around a circle is known as the _____________________.
  4. 9. A triangle that has all three sides the same length is known as an ______________ triangle.
  5. 10. A triangle with one angle greater than 90° is called an ___________ triangle.
  6. 11. The sum of all interior angles of a triangle are _________________.
Down
  1. 1. Angles that add up to 180° are called ___________ angles.
  2. 3. A polygon with four equal sides and four right angles is called a ___________________.
  3. 4. When a transversal intersects two parallel lines, the corresponding angles created are __________.
  4. 7. The diameter of a circle measures __________ as long as the radius.
  5. 8. ______________ is when the sum of two angles is 90°.