Respuesta :

Answer:

22.5

Step-by-step explanation:

10 x 4.5 = 45 divided by 2 is 22.5

Answer:

22.5inch²

Step-by-step explanation:

area of a triangle = 1/2 base × height

base = 10 inches, height = 4.5inches

area = 1/2× 10 × 4.5

area = 5×4.5

area = 22.5inch²