Find the area of the blue triangle #geometryskills #mathpuzzles #importantgeometryskillsexplained

Find the area of the blue triangle #geometryskills #mathpuzzles #importantgeometryskillsexplained

This will be so much appreciated.

grayyeonmath
Important Geometry skills explained
Rectangles
circles
Right Triangle
similarity of triangles
ratio and proportion
ratio
geometry
Find the length X
quadratic equations
completing the squares,quadratic equations
algebra
maths
line segment
midsegment theorem
brian mclogan
area
find the length
satmath
midpoint
length
width
triangles
similar triangles
math
igko
pythagorean theorem problem solving,
pythagorean theorem word problems,
right triangles
mathematics
gre
premath
ixl
prmo

#grayyeonmath
#ImportantGeometryskillsexplained
#rectangles
#circles
#righttriangles
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#triangles
#ratioandproportion
#proportional
#ratio
#geometryskills
#Findthelength
#quadraticequations
completing the squares,
#quadraticequation
#equations
#algebra,
#mathpuzzles
#maths
#linesegment
#midsegmenttheorem
#brianmclogan
#area
#findthelength
#trigonometricratios
#mathpuzzles
#midpoint
#length
#width
#triangles
#similartriangles
#triangles
#math
#igko
#pythagoreantheoremproblem solving,
#pythagorean theorem word problems,
#righttriangles
#triangles
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#premath
#satmath
#ixl
#prmo

[professorrogeriocesar]

Usei Pitágoras e Teorema da Bissetriz Interna. Muito criativo o problema, obrigado!

[jwkim]

Set AC=4k, EC=5k. Then
tan a=4/(4k), tan(2a)=9/(4k),
tan(2a)=(2/k)/(1-1/k^2)
==> k=3 & AC=12
And tan(3a)=tan(a+2a)=•••=
13k/(4k^2-9)=(BE+9)/12
==> BE = 25/3
==> BEC = 0.5*(25/3)*12=50

[risequotes]

nobody's watching. I think it is Time to quit YouTube for you Gray.