Respuesta :

Answer:

144.5 cm^2

Step-by-step explanation:

Triangle Area = (b * h)/2

h = 17

b = 34 - 7 - 10

b = 17

A = (17 * 17)/2

A = 144.5
Answer: 144.5

Formula: bh divide by 2

17 x 17 divided by 2
17 x 17= 289
289 divided by 2
144.5