Mathematics Question and Solution

By Ogheneovo Daniel Ephivbotor
25th September, 2025

Let P be the required area.


Calculating P.


a² = 6²+3²

a² = 45

a = √(45)

a = 3√(5) cm.


b = a-x

b = (3√(5)-x) cm.


tanc = 6/3

c = atan(2)°


d = atan(½)


f = 90+d

f = (90+atan(½))°


Calculating x


½*3(3√(5)-x)sin(90+atan(½)) = ½*(3+3)xsin(atan(2))


9-1.3416407865x = 2.683281573x


4.0249223595x = 9


x = (9/4.0249223595)


x = 2.2360679775 cm.


Calculating area S.


It implies;


Area S = 0.5*2.2360679775*6sin(atan(2))

Area S = 6 cm²


The required area, P is;


½(3+6)*6-2S


P = (9*3)-2(6)


P = 27-12


P = 15 cm²

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