Calculating perimeter

Calculate the perimeter of the regular shapes.

Create my FREE account

including a 7 day free trial of everything

Email Address

Password

Newsletter

The URBrainy email newsletter (sent every 2 weeks) provides resource updates and helpful guides for teaching and learning.

Yes, I would like to receive the URBrainy newsletter.

I agree to the Terms and Conditions and Privacy Policy

Already have an account? Sign in

Calculate the weight of single items.

Calculate the area of a right angled triangle.

The latest news, articles, and resources, sent to your inbox weekly.