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Five Minute Check 1

A B C D. (over Chapter 10). Classify the triangle by its angles and by its sides. Find the value of x in the figure. Find the values of x in the pair of similar figures.

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Five Minute Check 1

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  1. A B C D (over Chapter 10) Classify the triangle by its angles and by its sides. Find the value of x in the figure. Find the values of x in the pair of similar figures. Triangle NLR has vertices N(2, 2), L(1, 4), and R(1, 2). If Triangle N'L'R' has vertices N'(–2, 2), L'(–1, 4), and R'(–1, 2), what type of reflection was performed on triangle NLR? Five Minute Check 1

  2. Splash Screen

  3. Find the areas of parallelograms. • Base: Any Side of a parallelogram. • Height: Is the length of the segment perpendicular to the base with endpoints on opposite sides. It usually forms a right angle with the base. Main Idea/Vocabulary

  4. KC 1

  5. Find the Area of a Parallelogram Find the area of the parallelogram. EstimateA = 8 ● 6 or 48 cm2 A = bh Area of a parallelogram A = 7.5● 6.4 Replace b with 7.5 and h with 6.4. A = 48 Multiply. Answer: The area of the parallelogram is 48 square centimeters. Example 1

  6. A B C D Find the area of the parallelogram. A. 13 in2 B. 26 in2 C. 52 in2 D. 208 in2 Example 1

  7. Find the Area of a Parallelogram Find the area of the parallelogram. The base is 8 centimeters, and the height is 4.5 centimeters. EstimateA = 8 ● 5 or 40 cm2 A = bh Area of a parallelogram A = 8● 4.5 Replace b with 8 and h with 4.5. A = 36 Multiply. Answer: The area of the parallelogram is 36 square centimeters. Example 2

  8. A B C D Find the area of the parallelogram to the right. A. 5.4 m2 B. 10.8 m2 C. 10.92 m2 D. 13.81 m2 Example 2

  9. FARMING A farmer planted the three fields shown with rice. What is the total area of the three fields? Find the area of one of the fields and then multiply that result by 3. A = bh Area of a parallelogram A = 56.7● 75 Replace b with 56.7 and h with 75 A = 4,252.5 Multiply. Answer:The area of one of the fields is 4,252.5 square meters. So, the area of the three fields together is 3 ● 4,252.5 or 12,757.5 square meters. Example 3

  10. A B C D LANDSCAPING Sue is designing a new walkway from her back patio to a garden. She is using stones that are shaped as parallelograms to create the walkway. Each of the stones has a base of 18 inches and a height of 24 inches. It takes 30 stones to complete the walkway. What is the total area of the walkway? A. 720 in2 B. 1,250 in2 C. 7,348 in2 D. 12,960 in2 Example 3

  11. Today’s Homework SHOW ALL YOUR WORK!!!! Main Idea/Vocabulary

  12. End of the Lesson End of the Lesson

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