Math, asked by aryanmishra5781, 1 month ago

[(19)² - 1] /2=
Please give answer

Answers

Answered by ankitroy1302

1

Answer:

180.

Step-by-step explanation:

[(19)^2-(1)^2]/2

= [(19+1)(19-1)]/2

= [20×18]/2

= 360/2

= 180.

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