AnswersELPGEQ4 MJ Math 6 - 1205010 HCPS v24Surface Area of Rectangular PyramidsQuestion 7
7
AssignmentMultiple Choice

Surface Area of Rectangular Pyramids

Question 7 • ELPGEQ4 M/J Math 6 - 1205010 HCPS v24

Claire says the area of the square face is 8 m2. Is she correct?

Answer
A
No, the face’s dimensions are 4 m by 7 m, so the area is 14 m2.
B
No, the face’s dimensions are 4 m by 4 m, so the area is 16 m2.
C
No, the face’s dimensions are 4 m by 7 m, so the area is 28 m2.
D
Yes, the face’s dimensions are 4 m by 4 m, so the area is 8 m2.

Explanation

A square’s area is its side length multiplied by itself. With sides of 4 m, the area is 4 × 4 = 16 m², not 8 m². So Claire is not correct; the face is 4 m by 4 m and has an area of 16 m².

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