# 25 mm is equal to how many cm?

##### 1 Answer

Sep 8, 2016

25mm = 2.5cm

#### Explanation:

Using the

#color(blue)"related conversion"# That is

#color(red)(bar(ul(|color(white)(a/a)color(black)(1cm=10mm)color(white)(a/a)|)))#

#rArr25mm=(2xx10mm)+(1/2xx10mm)# so we have

#2+1/2"cm"=2 1/2=2.5"cm"# or using

#color(blue)"ratio method"#

#(1cm)/(10mm)=(xcm)/(25mm)" require to calculate value of x"# using

#color(blue)"cross-multiplication"#

#rArr10x=25rArrx=(25cancel(mm))/(10cancel(mm))=2.5" cm"#