A page is to contain 24 sq. in. of print. The margins at top and bottom are 1.5 in., at the sides 1 in. Find the most economical dimensions of the page.
Dimensions: 6 in × 9 in answer
A Norman window consists of a rectangle surmounted by a semicircle. What shape gives the most light for the given perimeter?
Light is most if area is maximum:
∴ breadth = height answer
Solve Problem 36 above if the semicircle is stained glass admitting only half the normal amount of light.
Half amount of light is equivalent to half of the area.