Question

find perimeter : 2cm+2cm+16mm+16mm+18mm+18mm​

Answer 1

Answer:

468mm

Step-by-step explanation:

Convert all the values to the same unit

So,

2 cm=200mm

the other values will remain the same

then add the values

200+200+16+16+18+18=468mm

Answer 2

Answer:

2(lb+bh+hl)

2(20x16 + 16x18 +18x2 )

2(320+288+36)

2(644)

1288mm