Respuesta :

A triangle is a polygon with three edges and three vertices. It is one of the basic shapes in geometry. A triangle with vertices A, B, and C is denoted.A triangle with all sides equal is called equilateral, atriangle with two sides equal is called isosceles, and atriangle with all sides a different length is called scalene.
apologiabiology

Just list what we know

f=b

h=g=56

d+2f=180

d=f+c

3f+c=180

a+c+f=180

d+e=180

e=2f

a+66+f=180

a+f=114

YES

a+c+f=180

a+f=114

c=66


now rewrite everything with c in it

3f+66=180

3f=114

this also means that 2f=a (f+a=114)

f=38=b

2f=a=76=e


d+2f=180

d+76=180

d=104


now h

all angles in a quadrilateral add to 360

e+d+125+h=360

76+104+125+h=360

h=55


now I

f+h+i=180

38+55+i=180

i=87

and dunno what missing angle at right (makes up far right triangle made up of 56 and i)



list:
 

a-76

b=38

c=66

d=104

e=76

f=38

g=56

h=55


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