3rd dimension

The block has a surface of 42 dm2 and its dimensions are 3 dm and 2 dm. What is the third dimension?

Correct answer:

c =  3 dm

Step-by-step explanation:

S=42 cm2 a=3 dm b=2 dm  S=2(ab+bc+ca)  S/2=ab+bc+ca  c=(S/2a b)/(b+a)=(42/23 2)/(2+3)=3 dm



Did you find an error or inaccuracy? Feel free to write us. Thank you!










Tips to related online calculators
Looking for help with calculating roots of a quadratic equation?
Do you have a linear equation or system of equations and looking for its solution? Or do you have a quadratic equation?

Related math problems and questions: