Respuesta :

Answer:

The sum of any triangle is 180 degrees.

Step-by-step explanation:

Answer:

a = 60

b = 60

c = 60

d = 42

e=35

f=35

g=55

h=45

i=45

j=15

k=15

l=75

m=120

n=21

o=69

p=21

q=55

r=55

s=42

t=42

u=69

Step-by-step explanation: