Geometry

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Across
  1. 2. The distance from the center of a circle to its edge is called what?
  2. 6. True or false? A concave shape bends inwards.
  3. 7. The internal angles of an equilateral triangle all measure how many degrees?
Down
  1. 1. How many sides of equal length does a square have?
  2. 3. How many sides does a hexagon have?
  3. 4. A trapezoid (trapezium) features how many pairs of parallel sides?
  4. 5. How many points are there on a pentagram?
  5. 8. How many dimensions does a semicircle feature?