Math, asked by vithalmehatre92, 4 months ago

the fifth triangular number

Answers

Answered by Anonymous

19

Step-by-step explanation:

Mary knows that the 5th triangular number is 15 because it needs 15 counters to make the triangle.

no need to mark

☺☺☺☺

Answered by kashishrajput1801

5

Answer:

Step-by-step explanation:

Mary knows that the 5th triangular number is 15 because it needs 15 counters to make the triangle.

Previous Question

Next Question

Similar questions

Chemistry, 1 month ago

10.Which process is responsible for formation of dew?Single choice. (1 Point) boiling condensation sublimation...

Science, 1 month ago

B. Write ingredients of the following food items 1. Dosa 2. Vegetable soup...

Science, 1 month ago

have you lost any teeth in last one year if yes how many teeth...

Computer Science, 4 months ago

D. Write down the syntax of the following with reference to HTML. 1. Inserting of a picture ...

Math, 4 months ago

if the radius of the cylinder is doubled and its height is half than the new volume will be...

Biology, 10 months ago

Hey guys... Help me differentiate between phototropism and heliotropism in plants.... I'll mark your answer as the brainiest. The question is for 100 brainly points.. STAY SAFE.. TAKE CARE.. ☺...

Math, 10 months ago

In an AP of 200 terms sum of all even numbered terms is 2020 and sum of all odd numbered terms is 2019. Find common difference...

Geography, 10 months ago

Give a geographical reason why forests are compared to human lungs ...