Mathematics Question and Solution

By Ogheneovo Daniel Ephivbotor
30th July, 2025

Calculating square area.


tana = (k+2k)/k

a = atan(3)°


b = 90-a

b = atan(⅓)°


tanc = 3k/2k

c = atan(3/2)°


d = 180-a-c

d = 180-atan(3)-atan(3/2)

d = 52.1250163489°


e = 180-a

e = (90+atan(⅓))°


f = 180-e-b

f = 180-(90+atan(⅓))-atan(⅓)

f = (90-2atan(⅓))°

f = 53.1301023542°


g = 180-f-d

g = 180-(90-2atan(⅓))-52.1250163489

g = 74.7448812969°


h² = (3k)²+k²

h = √(10)k units.


(2k/sin(53.1301023542)) = (j/sin(90+atan(⅓)))

j = 2.37170824512k units.


l = h-j

l = 0.79056941504k units.


(0.79056941504k/sin74.7448812969) = (m/sin52.1250163489)

m = 0.6468295214k units.


Calculating k.


0.5*m*l*sin53.1301023542 = 3

0.40909090909k² = 6

k² = 6/0.40909090909

k² = 14.6666666667 

k = 3.82970843103 units.


Notice.


Square side length is;


3k

= 3*3.82970843103

= 11.4891252931 units.


Therefore, square area is;


(3k)²

= 11.4891252931²

= 132 square units.

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