Math, asked by kaeleighneil, 9 months ago

How many billiard balls you need to arrange them into equilateral triangle with 25 rows in it?

Answers

Answered by rajivrtp

10

Answer:

325

Step-by-step explanation:

total number of billiard balls

sum of AP=1 ,2,3,4...........,25

sum= 25×26/2= 325

hence at least 325 billiard balls need.

Attachments:

Previous Question

Next Question

Similar questions

Science, 4 months ago

Three torches A, B and C shown in figure are switched ON one by one. The light from which of the torch will not form a shadow of the ball on the screen P? Why?

Hindi, 4 months ago

रानी लक्ष्मीबाई का बेटा कब मरा था?

English, 4 months ago

He is a good boy.I know it (join with that/...

Math, 9 months ago

O is the center of a circle and A is point of tragency . Determine the value of m if necessary give your answer to nearest 10 A) 28 B)8.1 C) 41.7 D) 48.7...

Math, 9 months ago

what do u mean by parallel vectors.....

Math, 1 year ago

A collection of well defined objects is called as...

English, 1 year ago

You are Sonal/ Samkit of Vidyanjali Public School, Lucknow. You have seen an advertisement in „The Times of India‟ related to new batches of „Astronomy Club‟ initiated by National Science Centre, Lucknow starting from the coming fortnight .You wish to join the Club. Write a letter to the Director, enquiring about the venue, duration, fee- structure, activities, transportation etc. Invent...

English, 1 year ago

why did John not want to partner with Laura hinkle...