Answer:
A = 735 cm²
Step-by-step explanation:
The area (A) of a parallelogram is calculated as
A = bh ( b is the base and h the perpendicular height )
Here b = 35 and h = 21 , then
A = 35 × 21 = 735 cm²
Change it into improper fraction to make it easier or just solve it as is.
=

-

=

-

=

=
OR
=

-

divide it to two parts:
3-2=1 and

-

=


⇒(1×8-2=6)
=

=
The product of 36 and 80 is 2880