Respuesta :

isobelfraser

Answer:

142.5cm2 if it's correct I would appreciciate a brainliest

Step-by-step explanation:

15x19=285

285/2=142.5

Answer:

142.5

Step-by-step explanation:

19 x 15 = 285

285 / 2 = 142.5

formula for area of triangle is A = height (straight line from the base to the tip, not the length of one of the sides) x length of base / 2 ( A= hb/2)