What is the value of a?

Let us make the last unknown interior angle be "b"

b+a+36=180

b=180-36-a

b=144-a

for the main triangle,

a+144-a+a-28=180

2a+116=180

2a=180-116

2a=64

a=32

so a=32

x

step-by-step explanation:

step-by-step explanation:

the true statements are:

r = set of real numbers

n = set of natural numbers, 1,2,

w = n u{0} = {0,1,}