Question: please help with steps 11. Are the polygons in each pair similar? 13. A rectangular door has height 200 cm and Explain how you know.

please help with steps

11. Are the polygons in each pair similar? 13. A rectangular door has height 200 cm and Explain how you know. width 75 cm. It is similar to a door in a a) doll's house. The height of the doll's house door is 25 cm. a) Sketch and label both doors. b) Calculate the width of the doll's house door. long as a b) 12. Assessment Focus Use grid paper. Construct rectangles with these dimensions: 3 units by 4 units, 6 units by 8 units, 9 units by 12 units, and 12 units by 15 units a) i) Which rectangle is not similar to the 16. other rectangles? Explain your reasoning. ii) Draw two different rectangles that are similar to this rectangle. Show your work. b) The diagonal of the smallest rectangle ed? has length 5 units. Use proportions to c is calculate the lengths of the diagonals of the other two similar rectangles. Justify your ans9. Tina wants to estimate the heights of two trees. For each tree, she stands so that one end of her shadow coincides with one end of the shadow of the tree. Tina's friend measures the leng'is of her shadow and the tree's shadow. Tina is 1.? m tall. a} Tina's shadow is 2.4 m and the rst tree's shadow is 10.8 m. What is the height of the tree? In] Tina's shadow is 0.3 m and the second tree's shadow is 12.8 m. What is the height of the tree? T. Jaquie is 1.6 m tall. When her shadow is 2.0 m long, the shadow of the school's agpole is 16 m long. How tall is the agpole, to the nearest tenth of a metre? 1|]. When the shadow of a building is 16 m *I long, a 4-m fence post casts a shadow Sun's rays 3 m long. \\ a} Sketch a diagram. b] How tall is the building? Sun's rays L 11. This scale diagram shows the measurements . 1.5 m a surveyor made to determine the length of 1s m an m Lac Lalune. What is this length? How do you know? 8. Want FIIBII: Work with a partner. Use the method described in question 3'. Choose an object whose height you cannot measure directly. 3} Draw a labelled diagram. h} indicate which triangles are similar. :1 Determine the height of the object. Show your work

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