Respuesta :
Area of a triangle = height × base ÷ 2
221.16 = 29.1 × base ÷ 2
Divide by 29.1
7.6 = base ÷ 2
Multiply by 2
15.2 = base
221.16 = 29.1 × base ÷ 2
Divide by 29.1
7.6 = base ÷ 2
Multiply by 2
15.2 = base