Side and diagonal

Find the circumference and the area of the rectangle if given: side a = 8 cm diagonal u = 10 cm.

Correct answer:

o =  28 cm
S =  48 cm2

Step-by-step explanation:

a=8 cm u=10 cm  a2+b2=u2  b=u2a2=10282=6 cm  o=2 (a+b)=2 (8+6)=28 cm
S=a b=8 6=48 cm2

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


Tips to related online calculators
Pythagorean theorem is the base for the right triangle calculator.

We encourage you to watch this tutorial video on this math problem: video1   video2

Related math problems and questions: