352915367
352915367 352915367
  • 07-12-2019
  • Mathematics
contestada

a polygon has 20 sides how many diagonals does it have

Respuesta :

ronangleeson011 ronangleeson011
  • 07-12-2019

Answer:

170

Step-by-step explanation:

n(n-3)/2

20(20–3)/2 = 170

Answer Link

Otras preguntas

Which statement is true of the electromagnetic spectrum?
Tracy is running a lemonade stand. She expects to make $126 for the day, but ends up making 364% of that amount. How much money did Tracy make that day?
What is a credit report? a. A credit report is a number representing your creditworthiness. b. A credit report is a detailed listing of your credit history. c.
Select the correct answer. In a family, the father is affected by a genetic disorder. The son in the family has the same disease, but the daughters do not have
The Alchemist Questions 1. The crystal merchant serves as an example as one who has chosen to ___________ his Personal Legend. A. Create B. Forget C. Grow D. Gi
How many joules are required to change 1kg of ice at-10°C to water at 15°C?
I do not understand
The art of using and understanding space involves _______________
Can you help me on number 3
Differentiate between retrenchment and redundancy..