Respuesta :

Answer:

A=90

Step-by-step explanation:

The area of a triangle with a base of 9 inches and a height of 20 inches is 90 inches.

Formula: A=hbB/2

A = hbB/2 = 20·9/2 = 90

Answer:

90 inches

Step-by-step explanation:

Formula: bh/2

9x20 is 180

180/2= 90

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