Asked by esther
The Total Surface Area Of Rectangular Solid Is 4.65cm. If The Solid Is 7cm Long And 5cm Wide, Calculate The Height.
Answers
Answered by
esther
2.5cm
Answered by
Reiny
let the height be h cm
so 2(7h) + 2(5h) + 2(5)(7) = 4.65 cm^2
14h + 10h + 70 = 4.65
24h = negative
this question is bogus, once you realize that the area of the base alone would be 35 cm^2, without even considering the other surfaces.
How can the total be only 4.65 cm^2
so 2(7h) + 2(5h) + 2(5)(7) = 4.65 cm^2
14h + 10h + 70 = 4.65
24h = negative
this question is bogus, once you realize that the area of the base alone would be 35 cm^2, without even considering the other surfaces.
How can the total be only 4.65 cm^2