Question

1. Find the unknown length



x
6 cm
8 cm
​

Answer 1

Answer:

If length is proportional to breadth and height

then the value of length would be 4 cm

Answer 2

Answer:

4 cm

Step-by-step explanation:

it is a arithmetic series d=8-6=2

an=a1+(n-1)d

8=a1+(3-1)2

a1=8-4=4