Answers Grade 7 Mathematics Surface Area of Pyramids — QuizQuestion 8

8

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Surface Area of Pyramids — Quiz

Question 8 • Grade 7 Mathematics

Which statement best describes her work?

Answer

A

Tracy’s answer will be correct because she made use of the fact that 2 times 1 half is equal to 1 in her expression.

B

Tracy’s answer will be incorrect because the pyramid has five faces and her expression finds the sum of only three products.

C

Tracy’s answer will be incorrect because she forgot the factor 1 half in the expression representing the area of the triangular faces.

D

Tracy’s answer will be correct because a rectangular pyramid has only three faces and the expression finds the sum of three products.

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