For painting a triangular courtyard and a square courtyard, an equal amount of paint is required. if the edges of the triangular courtyard measure 16.5 m, 27.5 m and 22 m, find the length of the square courtyard, correct up to 2 decimal places.

Answer 1

https://www.mathsisfun.com/geometry/herons-formula.html

Answer 2

13.47 m

Thank you.