Which number is rational?
a. 16/6 sqrt
b. 6 sqrt
c. 36/6 sqrt
d. 36/16 sqrt

D.

36/16 sqrt = 6/4, since the square root applies to denominator and numerator.

1/6

step-by-step explanation:

m∠5 + m∠3 = m∠1   is true.

m∠5 + m∠6 = 180 is true

m∠2 +m∠3 = m∠6   is true

m∠2 +m∠3 +m∠5 = 180   is true