4
QuizMultiple Choice
Surface Area of Composite Figures
Question 4 • Math 7 B (M12 25/26 S2)
Kayla’s work to find the surface area of a composite solid formed when a rectangular prism and rectangular pyramid are joined at their bases is shown below. SA = square unitsWhat statement best describes Kayla’s error?
Answer
A
She used the wrong expression for the lateral faces of the solid. She should have simplified .
B
She left out one of faces of the solid. She should have simplified .
C
She used the wrong expression for the lateral faces of the solid and left out the base of the figure. She should have simplified .
D
She included the face where the pyramid and prism are joined together. She should have simplified .