@HH(FG(HH(d'@xxxLll ,  APPLIED MATH ( UNIT 7 7 WORKING WITH SHAPES IN TWO DIMENSIONS F Write each question on your paper before answering the question. n 1. Sketch an example of the following shapes. Parallelogram, rectangle, trapezoid, right triangle. n 2. Explain why the diagonals of a rectangle are equal. (Start with the definition of a rectangle.) : . Give the equations for perimeter of a rectangle. " . STUDY ACTIVITY (page 8)  1. ________________  2. ________________  3. ________________  4. ________________ 3 . Area is measured in ___________ _______. I 6. What is the formula for the area of the following objects? * a. square ____________ * b. rectangle ____________ * c. triangle ____________ * d. parallelogram ____________ / . STUDY ACTIVITY (page 12) label units  figure 1 __________  figure 2 __________  figure 3 __________ : total number if squares in rectangle figure 7-2  equals ____________ 0 . STUDY ACTIVITY (page 14) label units  1. _____________  2. _____________  3. _____________ B page 2 0 . STUDY ACTIVITY (page 15) label units  1. _____________  2. _____________ 1 10. STUDY ACTIVITY (page 18) label units  1. _____________  2. _____________  3. _____________ B 11. A formula is a sort of recipe or rule. It tells you __ C _______________________________________________________. 4 12. STUDY ACTIVITY (page 20-21) label units  1. _____________  2. _____________  3. _____________  13. Circle experiment 8 ________________________________________ k ________________________________________ ________________________________________ 8 ________________________________________ 8 ________________________________________ 8 ________________________________________ 8 ________________________________________ 8 ________________________________________ 8 ________________________________________ ; 1. Write the circle number in the first column.  2 & 3. Using string and a ruler, measure the circumference  and diameter of the circles on the next page. BE  VERY ACCURATE! Write these in columns two and three.  4. Divide circumference by the diameter. Round your answer to three decimal places. Record it in the final column. ^ 5. Compare your chart with your classmates. What did you find. Explain. B page 4 $ 14. STUDY ACTIVITY (page 24)  1. _____________  2. _____________  3. _____________ C 15. STUDY ACTIVITY (page 25) Show all work and label units  1. _____________  2. _____________  3. _____________ 8 16. What is the formula for the area of a circle?  _________________ A What is the formula for the circumference of a circle?  _________________ C 17. STUDY ACTIVITY (page 28) Show all work and label units  1. _____________  2. _____________  3. _____________ > 18. STUDY ACTIVITY (page 30) DRAW THE FIGURE EXACTLY.  1. _____________  _____________  _____________ $ 2. _____________________ $ _____________________ $ _____________________ A 3. __________________________________________________  4. _____________  _____________  _____________ + 5. _____________ Explain why.