Question

Find
the
missing leantha
4cm
9 cm
8cm
when
the
percamiare 28cm.​

Answer 1

Answer:

Step-by-step explanation:

let, the missing length be x

4+9+8+x=28

21+x=28

x=28-21

x=7 cm

Answer 2

Let the missing length be x.

4+9+8+x = 28

21+x = 28

x= 7cm