Mari has 28 wooden cubes she what's to stack them to form a triangle each row will have one block fewer then the row below it how many blocks will be in the bottom row of the pyramid?

Question

Mathematics

Dominick Mckinney

20 May, 03:53

Mari has 28 wooden cubes she what's to stack them to form a triangle each row will have one block fewer then the row below it how many blocks will be in the bottom row of the pyramid?

+5

Answers (2)

Know the Answer?

Nero · Answer 1

7 Have the best day ever!

Brynn Mora · Answer 2

This is a problem involving the sum of numbers

one way is to just add them

1 row=1

2 row=3

3 row=6

4 row=10

5 row=15

6 row=21

7 row=28

each row has the number of blocks that is the row

7th row=7 blocks

so 7 blocks