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Geometry 10-2 Complete Lesson: Areas of Trapezoids, Rhombuses, and Kites

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Last updated almost 4 years ago
28 questions
Note from the author:
A complete formative lesson with embedded slideshow, mini lecture screencasts, checks for understanding, practice items, mixed review, and reflection. I create these assignments to supplement each lesson of Pearson's Common Core Edition Algebra 1, Algebra 2, and Geometry courses. See also mathquest.net and twitter.com/mathquestEDU.
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Question 1
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Solve It! Draw a trapezoid on a sheet of graph paper. Label its bases b₁ and b₂. Draw its midsegment. Cut out the trapezoid, and then cut it along the midsegment. Rotate the top part of the trapezoid 180° so that b₁ and b₂ now form one long base. How can you use this new figure to find the area of a trapezoid? Explain your reasoning?

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Question 2
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Problem 1 Got It?

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Question 3
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Problem 2 Got It?

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Question 4
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Problem 3 Got It?

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Question 5
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Problem 4 Got It?

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Question 6
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Question 7
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Question 8
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Question 9
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Question 10
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Question 11
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Question 12
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Vocabulary: Can a trapezoid and a parallelogram with the same base and height have the same area? Explain.

Question 14
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Reasoning: Can you find the area of a rhombus if you only know the lengths of its sides? Explain.

Question 15
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Reasoning: Do you need to know the lengths of the sides to find the area of a kite? Explain.

Question 16
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Review Lesson 10-1: Find the area of a right isosceles triangle that has one leg of length 12 cm.
Respond using this format: 36 cm^2

Question 17
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Review Lesson 10-1: A right isosceles triangle has area 112.5 ft². What is the length of the legs?
Respond using this format: 43 ft

Question 18
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Review Lesson 6-1: Find the measure of the interior angle of a regular nonagon.
Enter only a number to represent the angle's measure in degrees.

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Question 19
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Review Lesson 8-2: Find the area of the regular triangle. Leave radicals in simplest radical form.

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Question 20
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Review Lesson 8-2: Find the area of the regular quadrilateral. Leave radicals in simplest radical form.

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Question 21
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Review Lesson 8-2: Find the area of the regular triangle. Leave radicals in simplest radical form.

Question 22
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Vocabulary Review: Classify each statement as true or false.

  • All rhombuses are parallelograms.
  • All rhombuses are squares.
  • All squares are rhombuses.
  • True
  • False
Question 23
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Vocabulary Review: Identify the figure that is NOT a rhombus.

Question 24
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Use Your Vocabulary: Find the kite.

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Question 25
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Use Your Vocabulary: The figure in the diagram is a kite. What is the value of x? Enter only a number.

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Question 26
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Question 28
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Reflection: Math Success

Question 27
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