Awesome Algebra Part Three

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Across
  1. 4. Triangles with a 90° angle are called _____ triangles.
  2. 6. Given a circle with a diameter of 14 in, what is the length of the radius? Exclude units.
  3. 7. On the coordinate plane, y-values go up or down; the y-axis is the _______ axis.
  4. 9. The hypotenuse is directly ______ from the 90° angle.
  5. 10. To find the average of two numbers, add them and divide the sum by ___.
  6. 11. Area of a rectangle is equal to length times _____.
  7. 12. A triangle is placed on a rectangle to form a new figure. It is called a ________ figure because it is made of two or more shapes.
Down
  1. 1. A pentagon has two points A and B at (1,0) and (2,1), plus three more. If the pentagon is moved so A’ and B’ are at (2, 2) and (3,3) what transformation occurred?
  2. 2. Similar to natural numbers but includes zero: ____ numbers.
  3. 3. To solve the equation 3x+5=8, the first step might be to _______ 5 from both sides.
  4. 5. How many sides are on a number cube?
  5. 8. The point where the x-axis and the y-axis meet. Located at (0,0).