The two edges of a rectangular box extending from one vertex are 2 and 8.
| September 12, 2021 | education
The two edges of a rectangular box extending from one vertex are 2 and 8. The surface area of this box is 52. Find the third edge extending from the same vertex.
S = 52, a = 2, b = 8.
c = (52 – 2 x 2 x 8) / (2 x 2 + 2 x 8).
C = 20/20 = 1.
Answer: edge length c = 1.
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