Mathematics Question and Solution

By Ogheneovo Daniel Ephivbotor
1st August, 2024

Let the radius of sector ABC be 2 units.


Therefore;


Calculating TP = PA = RP = BR, let it be x.


2x²=(2-x)²

x²+4x-4=0

x = (2√(2)-2) units.


Calculating RQ = QC, let it be y.


2y+x=2, and x = 2√(2)-2

2y=2-(2√(2)-2)


y = (2-√(2)) units.


Consider right-angled triangle PQR.


Angle RPQ is;


atan(1/√(2))°


Therefore;


Length PQ is;


(2-√(2))/(sin(atan(1/√(2)))

PQ = 1.01461187235 units. 


Length PX is;


(2√(2)-2)cos(atan(1/√(2)))

PX = 0.6764079149 units.


Length QX will be;


PQ-PX

QX = 1.01461187235 - 0.6764079149

QX = 0.33820395745 units.


It implies;


PX : QX is;


0.6764079149 ÷ 0.33820395745

= 2

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