Worksheet

Area of parallelograms, trapezoids and rhombuses

Grade 7 Math Worksheet - Building Confidence

NameDate

Circle the best answer, or write your answer on the line.

  1. Ari's garden bed is a parallelogram: base 4.5 m, height 1.5 m. Sliding a cut-off triangle across makes a rectangle. The worms are cheering. What is its area in square meters?

  2. Bo's quilt patch is a parallelogram: base 6.5 in, height 4 in. Sliding a cut-off triangle across makes a rectangle. The cat already wants it. What is its area in square inches?

  3. Esme's mural is a parallelogram: base 2.4 m, height 1.6 m. Sliding a cut-off triangle across makes a rectangle. It has a very happy sun. What is its area in square meters?

  4. Jun's flower bed is a parallelogram: base 3.5 ft, height 6 ft. Sliding a cut-off triangle across makes a rectangle. The bees have booked a visit. What is its area in square feet?

  5. Luz's name tag is a trapezoid: parallel sides 5.5 cm and 2.5 cm, height 4 cm. Two copies fit into a rectangle. The glitter went everywhere. What is its area in square cm?

  6. Milo's garden plot is a trapezoid: parallel sides 4.5 m and 2.5 m, height 1.5 m. Two copies fit into a rectangle. The carrots wait patiently. What is its area in square meters?

  7. Ren's flower bed is a trapezoid: parallel sides 5.5 ft and 3.5 ft, height 1.5 ft. Two copies fit into a rectangle. The bees are already busy. What is its area in square feet?

  8. Tala's kite is a rhombus with diagonals 0.6 m and 0.8 m. The picture draws the rectangle around it. It loves windy days. What is its area in square meters?

  9. Bo's quilt patch is a rhombus with diagonals 9 in and 12 in. The picture draws the rectangle around it. Even the cat likes it. What is its area in square inches?

  10. Read this first

    Use this

    Grid, each square 1 in by 1 in. Rhombus with dashed diagonals 5 in across and 12 in up, crossing at their middles; each side is 6.5 in. The rectangle 5 in by 12 in through its four corners is outlined, and the four corner triangles outside the rhombus are shaded.

  11. Esme's paper diamond is a rhombus with diagonals 5 in and 12 in. The picture draws the rectangle around it. It sparkles in the sun. What is its area in square inches?

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Area of parallelograms, trapezoids and rhombuses

Answer Key - Grade 7 Math Worksheet - Building Confidence

Circle the best answer, or write your answer on the line.

  1. Ari's garden bed is a parallelogram: base 4.5 m, height 1.5 m. Sliding a cut-off triangle across makes a rectangle. The worms are cheering. What is its area in square meters?

    6.75

  2. Bo's quilt patch is a parallelogram: base 6.5 in, height 4 in. Sliding a cut-off triangle across makes a rectangle. The cat already wants it. What is its area in square inches?

    26

  3. Esme's mural is a parallelogram: base 2.4 m, height 1.6 m. Sliding a cut-off triangle across makes a rectangle. It has a very happy sun. What is its area in square meters?

    3.84

  4. Jun's flower bed is a parallelogram: base 3.5 ft, height 6 ft. Sliding a cut-off triangle across makes a rectangle. The bees have booked a visit. What is its area in square feet?

    21

  5. Luz's name tag is a trapezoid: parallel sides 5.5 cm and 2.5 cm, height 4 cm. Two copies fit into a rectangle. The glitter went everywhere. What is its area in square cm?

    16

  6. Milo's garden plot is a trapezoid: parallel sides 4.5 m and 2.5 m, height 1.5 m. Two copies fit into a rectangle. The carrots wait patiently. What is its area in square meters?

    5.25

  7. Ren's flower bed is a trapezoid: parallel sides 5.5 ft and 3.5 ft, height 1.5 ft. Two copies fit into a rectangle. The bees are already busy. What is its area in square feet?

    6.75

  8. Tala's kite is a rhombus with diagonals 0.6 m and 0.8 m. The picture draws the rectangle around it. It loves windy days. What is its area in square meters?

    0.24

  9. Bo's quilt patch is a rhombus with diagonals 9 in and 12 in. The picture draws the rectangle around it. Even the cat likes it. What is its area in square inches?

    54

  10. Read this first

    Use this

    Grid, each square 1 in by 1 in. Rhombus with dashed diagonals 5 in across and 12 in up, crossing at their middles; each side is 6.5 in. The rectangle 5 in by 12 in through its four corners is outlined, and the four corner triangles outside the rhombus are shaded.

  11. Esme's paper diamond is a rhombus with diagonals 5 in and 12 in. The picture draws the rectangle around it. It sparkles in the sun. What is its area in square inches?

    30