Let's try again; PLEASE HELP triangle word problem- Pythagorean theroem: ((I'll add attachments this time)) i thought it was 12.5 but there's bo 12.5 ._. 15.5 isn't here either...

News cameras take an overhead picture of a crowd at an outdoor event journalist then count the total number of people in the picture and use the sample of estimate the total number of people in the crowd this process is an example of

Iwill give you ! what is the measure of ∠v ?

What is the measure of ac? 5 units 13 units 26 units 39 units 3x- 2b 6x + 9