An orange square and a blue rectangle with two congruent inscribed circles. What is the angle α?
Scroll down for a solution to this problem.
Solution
The angle α is 30°.
Poem
The percentage
A pure number
A safe number
A safe value
Denominator
And fraction
For increases
Or discounts
An exercise
Of additions
And subtractions
Geometric progressions
For volumetric
quantities
And what happens in love ?
Which is the unit of measurement?
100 percent
One reply on “A nice percentage”
Since I learned this, it has been useful:
For a right triangle with sides a b and c,
Where c is the long side,
The diameter d of the inscribed circle satisfies d = a + b – c