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Use any of your new strategies to find the area of the parallelograms below. The information in the Math Notes box may help.

  1. A parallelogram, slanted left,  with right and left sides, each labeled, 20 in. A dashed line, perpendicular to the left and right sides, is labeled 25 in.

  • This parallelogram can be arranged into a rectangle.

  1. A parallelogram, slanted left,  with bottom and right sides, each labeled, 10 mm. A  right triangle is created by a line segment, labeled, 8 mm, drawn from the top right vertex, to the bottom side, at a 90 degree angle to the top.

  • See the help for part (a).

  • Be sure to show you got this answer.

Use the eTool below to rearrange the parts of the parallelograms.
Click the link to the right for full version.