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