11. What is the surface area of a rectangular pyramid with a length of 25 inches, width of 16
inches and a height of 20 inches?
A. 970 in 2 B. 1,070 in2 C. 1,220 in 2 D. 1,556 in2
inches and a height of 20 inches?
A. 970 in 2 B. 1,070 in2 C. 1,220 in 2 D. 1,556 in2
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Answer:
2440in²
Step-by-step explanation:
SA = 2(lw + lh + wh)
SA = 2[(25)(16) + (25)(20) + (16)(20)]
SA = 2[(400) + (500) + (320)]
SA = 2(1220)
SA = 2440