Which Shape?
Equations
How Do You Know?
Circles
Polygon Characteristics
100

The shape made by connecting the coordinates: (-2,5), (-2,-3), (4,-3) and (4,5).

What is a rectangle?

100

The formula for slope.

What is m=(y2-y1)/(x2-x1)?

100

This is how you prove that two sides of a polygon are congruent.

What is the distance formula?

100

The center and radius of a circle with equation (x+3)2+(y-2)2=4

What is center (-3, 2) and radius 2?

100

A triangle with two congruent sides.

What is an isosceles triangle?

200

The type of triangle made by connecting the vertices at (-2,3), (2,2) and (-2,-1).

What is a scalene triangle?

200

The distance formula.

What is d=sqrt[(x2-x1)2+(y2-y1)2]?

200

This is how you can prove that a triangle is an equilateral triangle.

What is the distance formula?

200

The equation of a circle with center (4, -5) and radius 9.

What is (x-4)2+(y+5)2=81 ?

200

The characteristics of a rhombus.

What are four congruent sides or perpendicular diagonals?

300

The most precise classification of the quadrilateral formed by connecting the midpoints of the figure with vertices: (-2,2), (2,2), (-2,-2) and (2,-2).

What is a square?

300

The area of a trapezoid.

What is 

1/2 h(b1+b2)?

300

Two ways to classify a parallelogram is a rhombus (and not a square).

What is 4 congruent sides and non-right angles?

300

The radius of circle with center (1, 2) and point (4, 2) on the circle.

What is 3?

300

A quadrilateral with four congruent sides and four right angles.

What is a square?

400

The most precise name for the quadrilateral formed by connecting (-3,1), (-7,-3), (6,-3) and (2,1).

What is an isosceles trapezoid?

400

The Midpoint Formula.

What is M=[(x2+x1)/2 , (y2+y1)/2]?

400

The equation used to prove that two line segments are parallel.

What is the Slope Formula?

400

Point (3, 5) is on the circle with equation (x-3)2+(y-2)2=9. True or False?

What is true?

400

A quadrilateral where the opposite sides are parallel.

What is a parallelogram?

500

Using the isosceles trapezoid made by the point (-b,c) , (b,c), (-a,0) and (a,0) prove that the diagonals of the trapezoid are congruent.

The distances of each diagonal are sqrt[(b+a)2+c2].

500

The equation of a circle

What is (x-h)2+(y-k)2=r?

500

The formula used to see if two lines bisect each other.

What is the Midpoint Formula?

500

The equation of the circle in standard form given 

x2+y2-2x+4y = 20

What is (x-1)2+(y+2)2 = 25 ?

500

A quadrilateral that has two pairs of congruent sides and none of the opposite sides are congruent.

What is a kite?

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