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Mathematics 21 Online
OpenStudy (anonymous):

A rectangular pyramid has a base length, l, of 2.1ft, a base width, w, of 1.9ft, and a slant height, l, of 9.8ft. Find the surface area of the pyramid to the nearest square unit. A.40 ft2 B.43 ft2 C.46 ft2 D.49 ft2

OpenStudy (e.mccormick):

What part are you having trouble with?

OpenStudy (e.mccormick):

|dw:1367360993269:dw| That makes 4 triangles and the rectangular base.

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