Question

...?..............?....​

Answer 1

Answer:

d

Step-by-step explanation:

if the given question is a parallelogram then the diagonal will bisect each other so length of one diagonal is 16 cm

now calculate the area of one triangle using herons formula and then apply the formula for finding area ie 1/2 ×base ×height

then calculate the height

then calculate the area of second triangle using the formula for finding area

and then find the third side using herons formula

the third side will be the diagonal

hope it helps you