3
QuizMultiple Choice
Determining a Scale Factor
Question 3 of 5 • Basic Geometry II
Jordana was shown this diagram of an isosceles trapezoid and its reduction. She was asked to find the perimeter of the reduced trapezoid. Her work is shown below. Figures not drawn to scale.Jordana’s WorkScale factorSide ASide B PerimeterWhere, if any, did Jordana first make a mistake in her work?
Answer
J
Jordana made a mistake when finding the scale factor.J
Jordana made a mistake when she calculated the length of side A.J
Jordana made a mistake when she calculated the length of side B.J
Jordana did not make any mistakes in her work.