Question

Without adding, find the sum. 1+3+5+7+9+11+13+15 1+3+5+7+9+11+13+15+17+19+21+23+25+27+29

Answer 1

Answer:

count the digits.

Total 15

now, square of 15 is:225

This is your answer.

Answer 2

Step-by-step explanation:

289

this will be your answer