1. Rhombus,
Rectangle,
Square
Properties of Parallelograms
Is this a Parallelogram?
Trapezoids 10 10 10 10 20 20 20 20 30 30 30 30 40 40 40 40
DOUBLE JEOPARDY

2. Is This a Parallelogram - 10
Is this a parallelogram? Justify your answer.
Yes. Two pairs of opposite sides are congruent.
BACK

3. Is This a Parallelogram - 20
Is this a parallelogram? Justify your answer.
BACK
Yes. Diagonals bisect each other.

4. Is This a Parallelogram – 30
Is this a parallelogram? Justify your answer.
No. Only one pair of opposite sides are parallel/congruent.
BACK

5. Is This a Parallelogram - 40
Is this a parallelogram? Justify your answer.
Yes. Alternate interior angles make two pairs of opposite sides parallel.
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6. Properties of Parallelograms - 10
Solve for x.
(9x + 17)°
(8x + 10)°
x = 9
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7. Properties of Parallelograms - 20
Solve for x and y.
4x + 11
5x + 3
6y - 4
9x + 6
x = 1
y = 2
BACK

8. BACK m1 = 75 m3 = 70 m2 = 35 m4 = 35
Properties of Parallelograms - 30
Solve for all numbered angles. 2 1 3
70º 4
75º
m1 = 75 m3 = 70
m2 = 35 m4 = 35
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9. Properties of Parallelograms - 40
Solve for x and y.
3x - 9 8x
5x + 2y
x + 3
x = 6
y = 9
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10. BACK x = 7 y = 5 Rhombus, Rectangle, Square - 10
In this square, solve for x and y.
8x - 11 9y
7x - 4
x = 7
y = 5
BACK

11. BACK m1 = 64 m3 = 26 m2 = 64 m4 = 90
Rhombus, Rectangle, Square - 20
In this rhombus, solve for all numbered angles. 1 2 3 4
26°
m1 = 64 m3 = 26
m2 = 64 m4 = 90
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12. BACK m1 = 124 m3 = 62 m5 = 28 m2 = 62 m4 = 28
Rhombus, Rectangle, Square - 30
In this rectangle, solve for all numbered angles. 4 1
56° 3 2 5
m1 = 124 m3 = 62 m5 = 28
m2 = 62 m4 = 28
BACK

13. BACK x = 4 y = 6 Rhombus, Rectangle, Square - 40
In this rectangle, solve for x and y if CA = 20. C B
x + 6 E
3y - 8 D A
x = 4
y = 6
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14. Solve for x in this isosceles trapezoid.
Trapezoids - 10
Solve for x in this isosceles trapezoid.
7x + 1
11x - 18 5x
10x + 16
x = 3
BACK

15. Solve for all numbered angles in this isosceles trapezoid.
Trapezoids - 20
Solve for all numbered angles in this isosceles trapezoid.
29º 4 1 3
68º 2
m1 = 83 m3 = 39
m2 = 29 m4 = 112
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16. Given EF is the median of trapezoid ABCD. Solve for x.
Trapezoids - 30
Given EF is the median of trapezoid ABCD. Solve for x.
12x + 5
10x + 1
7x + 2
x = 5
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17. Solve for all numbered angles, if mMHT = 120.
Trapezoids - 40
Solve for all numbered angles, if mMHT = 120. A M
34º 2 5
m1 = 112
m2 = 34
m3 = 68
m4 = 86
m5 = 26 1 3 4 H T
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18. BACK x = -3 y = 6 DOUBLE JEOPARDY Solve for x and y. 2x + 3y 15 x + 3y12
x = -3
y = 6
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