Question

two sides of a parallelogram are 5 and 7 cm and diagonal is 9 cm find the area of parallelogram

Answer 1

here,
one side is 5cm
and second side is 7 cm
therefore we can find answer easily by splitting it in 2 triangle
for 1st triangle
1/2*base*height
and then same for 2nd triangle
then,
add both the answer
the sum will be the answer