Question

please answer urgent​

Answer 1

Answer:

6.25cm

Step-by-step explanation:

BFDE is a trapezium

so area of BFDE = 1/2*(FD+BC)*BF

= 1/2*(FD+16)*BF

area of ABF=1/2*BF*AF

=1/2*BF*(16-FD)

adding both

area of parrelogram= 1/2*BF*32

1/2*AB*CE=1/2*BF*32

20*10=32*BF

BF=20*10/32

=6.25cm