Respuesta :

maelaime2006

Answer:

6ft

Step-by-step explanation:

the 3 ft is multiple to 3

Answer:

A ≈ 7.1 ft²

Step-by-step explanation:

The area (A) of a triangle is calculated as

A = πr² ( r is the radius )

Here diameter = 3 , then r = 3 ÷ 2 = 1.5 , then

A = π × 1.5² = 2.25π ≈ 7.1 ft² ( to the nearest tenth )