The perpendicular to parallels theorem is based on.

a) the definition of congruent angles

b) the fact that corresponding angles are congruent

c) the fact that supplementary angles sum to 180 degrees

d) the perpendicularity postulate

let m = monomial

let t = trinomial

so, m times t = t.

monomial times a trinomial = another trinomial.

pakistan's principal natural resources are arable land and water. about 25% of pakistan's agriculture accounts for about 21% [1] of gdp and employs about 43% of the labour force. in pakistan, the most agricultural province is punjab where wheat and cotton are the most grown.