Respuesta :

Answer:

Step-by-step explanation:

formula for area of triangle : 1/2 × base × height

base = 45 × 3/4 = 183/4

height = 3 × 3/4 = 15/4

∴ area = 1/2 × 183/4 × 15/4

⇒ 2745/32

⇒ 85.78 feet²