4
QuizMultiple Choice

Determining a Scale Factor

Question 4 • * SY2025-26 - 1205040 M/J Grade 7 Mathematics Sem 1 CR

Basil was shown this enlargement, and he was asked to find the perimeter of the enlarged shape. His work is shown below.Figures not drawn to scale.Basil’s WorkScale factorSide ASide B PerimeterWhere, if any, did Basil first make a mistake in his work?

Question illustration
Answer
A
Basil made a mistake finding the scale factor.
B
Basil made a mistake when finding the length of either side A or side B.
C
Basil made a mistake finding the perimeter.
D
Basil did not make any mistakes in his work.
Next