How do you find the area of a 30-gon with a perimeter of 72mm?

How do i make someone brainliest? (if you answer me, i might be able to make you brainliest! )

With this question substitute t=3 and t=5 to determine if the two expressions are equivalent. 4(t + 3) 4t+12 which statements are true? check all that apply. a. the value of both expressions when t =5 is 32. b. the two expressions are not equivalent. c. the value of both expressions when t=3 is 15. d. the value of both expressions when t=5 is 23. e. the two expressions are equivalent. f. the value of both expressions when t=3 is 24.

Find the area of an equilateral triangle with a side of 6 inches