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Online Self-Tests


1. A parallelogram has 2 pairs of parallel sides and congruent opposite sides .

Use the figure below. The area of the parallelogram is 108 ft2 and the height h is 9 ft. What is the base length of the parallelogram?


(1 point)


Answer:

ft



2. A triangle has 3 sides and 3 angles. A right triangle has one right angle.

Use the figure below. The area of the triangle is 28 cm2 and the height is 8 cm. What is the base length of the triangle?


(1 point)


Answer:

cm



3. A trapezoid has 1 pair of parallel sides.

Use the figure below. The area of the trapezoid is 18 in.2 and the sum of the two bases lengths is 8 in.. What is the height of the trapezoid?


(1 point)


Answer:

in.



4. What is the area of the parallelogram below?


(1 point)


Answer:

cm2



5. What is the area of the triangle on the coordinate plane below?


(1 point)


Answer:

units2



6. What is the area of the trapezoid below?


(1 point)


Answer:

ft2







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