The expression -12/4 is an
integer because it

a) Equals -3 when
simplified

b) Opposite of a whole number

C) is a natural number

D) is written as a fraction

In the first triangle 80+20+p=180 (since sum of all angles of a triangle is 180)so p= 80also in second triangle 55+45+q=180 (since sum of all angles of a triangle is 180)so q=80so we can conclude that p=80 degrees q=80 degrees so p=q=80 degreeshence option b is correct

Def is a scalene triangle