Respuesta :

Answer:

base times height divided by 2

Step-by-step explanation:

b h/2

Answer:

10.92 cm²

Step-by-step explanation:

The area (A) of a triangle is calculated as

A = [tex]\frac{1}{2}[/tex] bh ( b is the base and h the perpendicular height )

Here b = 2.8 and h = 7.8, thus

A = 0.5 × 2.8 × 7.8 = 1.4 × 7.8 = 10.92 cm²