Mathematics Question and Solution

By Ogheneovo Daniel Ephivbotor
5th August, 2025

Calculating Ratio Purple Area and Orange Area.


Let 2 be the radius of the inscribed orange area.


It implies;


Area orange inscribed circle is;


π(2)²

= 4π square units.


tan30 = 2/a

a = 2√(3) units.


b = 2a

b = 4√(3) units.

b is the side length of the inscribed regular triangle.


sin30 = 2/c

c = 4 units.

c is the radius of the ascribed circle.


Calculating area purple.


⅓((½*(4√(3))²sin60)-π(2)²)+(120π*4²/360)-(½*4²sin120)


= ⅓(12√(3)-4π)+⅓(16π)-(4√(3))


= 4√(3)-⅓(4π)+⅓(16π)-4√(3)


= ⅓(16π)-⅓(4π)


= ⅓(12π)


= 4π square units.


It implies;


Purple Area Ratio Orange Area is ;


Purple Area : Orange Area 


= 4π:4π 


= 1/1


= 1

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