Skills · Geometry · Polygons & Quadrilaterals
Properties of parallelograms
Printable practice with an answer key the engine computes, at three levels, in as many versions as you need.
Problem types
- opposite angles (equal): 70° across from ?
- consecutive angles (they add to 180°): 70° beside ?
- opposite sides (equal): AB = 12, DC = ?
- the diagonals cut each other in half: AE = 9, AC = ?
Sample Sheet · Level 1
ABCD is a parallelogram. Find the length marked ?.
ABCD is a parallelogram. Find the measure of the angle marked ?.
ABCD is a parallelogram. AC = 32. Find the length marked ?.
ABCD is a parallelogram. Find the measure of the angle marked ?.
ABCD is a parallelogram. AC = 28. Find the length marked ?.
ABCD is a parallelogram. Find the measure of the angle marked ?.
ABCD is a parallelogram. Find the length marked ?.
ABCD is a parallelogram. Find the measure of the angle marked ?.
Answer key
- 27 units
- 72°
- 16 units
- 121°
- 14 units
- 54°
- 9 units
- 70°
Sample Sheet · Level 3
ABCD is a parallelogram. Find m∠D.
ABCD is a parallelogram. Find AD.
ABCD is a parallelogram. Find m∠C.
ABCD is a parallelogram. Find m∠A.
ABCD is a parallelogram. BD = 5x + 22. Find BD.
ABCD is a parallelogram. Find m∠C.
ABCD is a parallelogram. Find BE.
ABCD is a parallelogram. Find DC.
Answer key
- 75°
- 26 units
- 52°
- 114°
- 32 units
- 56°
- 33 units
- 19 units
Make your own
Pick the count, the level and the version, and print it with work space and the key on its own page. The same skill also makes an I Do, We Do, You Do lesson, a Mosaic, a Decoder and more.