Diamond PQOR

In the diamond PQOR, the diagonal RQ is 4 cm long and the angle RPQ is 60°. What is the circumference of this diamond?

Correct answer:

o =  16 cm

Step-by-step explanation:

RQ=4 cm RPQ=60   ROP=RPQ=60=60  PRO=180RPQ=18060=120  PRQ=PRO/2=120/2=60   ΔRQP=60°60°60°  RP=RQ=4 cm PQ=RP=4 cm  o=4 PQ=4 4=16 cm



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










Tips to related online calculators
See also our trigonometric triangle calculator.

You need to know the following knowledge to solve this word math problem:


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

Related math problems and questions: