Question

express in millimetres.
a) 3 cm 2mm=___ mm +2 mm
=___ mm.
b) 5 cm 8mm =___.​

Answer 1

Answer:

a) 32,34

b) 58

Step-by-step explanation:

a) 3cm=30mm+2mm=32mm+2=34mm

b) 5cm=50mm+8mm=58mm

Answer 2

a) 3 cm 2 mm

Given -

3 cm 2 mm

To find -

Convert 3 cm 2 mm into mm

solution -

To convert cm into mm multiply the length value by 10.

Where ,

cm - centimetres

mm - millimetres

3 cm

$= 3 \times 10$

$= 30 \: mm$

By adding same units value

3 cm 2 mm

$30 \: mm + 2 \: mm$

$= 32 \: mm$

By converting we get,

3 cm 2 mm equal to 32 mm.

b) 5 cm 8 mm

Given -

5 cm 8 mm

To find -

Convert 5 cm 8 mm into mm

solution -

To convert cm into mm multiply the length value by 10.

Where ,

cm - centimetres

mm - millimetres

5 cm

$= 5 \times 10$

$= 50 \: mm$

By adding same units value

5 cm 8 mm

$= 50 \: mm + 8 \: mm$

$= 58 \: mm$

By converting we get,

5 cm 8 mm equal to 58 mm.