Aida's bedroom is on the top floor of her house. In her room, the roof slants downward, creating two congruent trapezoid-shaped walls. One of the walls in her room is 8- 6- 4. represented on the coordinate plane by quadrilateral ABCD. Each interval on the coordinate plane represents one foot. Aida and Marco are going to paint the two walls and want to place a strip of painter's tape along each edge of the walls so the paint does not touch any other wall, the ceilling, or the floor. 1a. What is the length of painter's tape (to the nearest whole foot) that Aida and Marco need to cover the edges of both walls? A(-5,-1) and B(6,3) 2 10 1b. Marco says he can drawa diagonal to divide trapezoid ABCD into a right and an isosceles triangle to determine the area of the trapezoid, Aida says she can draw a horizontal line segment to divide trapezoid ABCD into a rectangle and a right triangle. Who's correct? Explain your reasoning. 1c. One gallon of paint covers approximately 400 square feet. Aida estimates she has about one fourth of a gallon of paint remaining of the color she wants to use. Does she have enough paint for both walls? Explain your reasoning.
Aida's bedroom is on the top floor of her house. In her room, the roof slants downward, creating two congruent trapezoid-shaped walls. One of the walls in her room is 8- 6- 4. represented on the coordinate plane by quadrilateral ABCD. Each interval on the coordinate plane represents one foot. Aida and Marco are going to paint the two walls and want to place a strip of painter's tape along each edge of the walls so the paint does not touch any other wall, the ceilling, or the floor. 1a. What is the length of painter's tape (to the nearest whole foot) that Aida and Marco need to cover the edges of both walls? A(-5,-1) and B(6,3) 2 10 1b. Marco says he can drawa diagonal to divide trapezoid ABCD into a right and an isosceles triangle to determine the area of the trapezoid, Aida says she can draw a horizontal line segment to divide trapezoid ABCD into a rectangle and a right triangle. Who's correct? Explain your reasoning. 1c. One gallon of paint covers approximately 400 square feet. Aida estimates she has about one fourth of a gallon of paint remaining of the color she wants to use. Does she have enough paint for both walls? Explain your reasoning.
Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
ChapterP: Preliminary Concepts
SectionP.CT: Test
Problem 1CT
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