If the area A of a triangle is 72, and the height h is equal to the length of the base b, what is the length of the base?
2 answers:
Answer:
12
Step-by-step explanation:
12 x 12= 144
144/2= 72
Answer:
option B
Step-by-step explanation:
let the height=x
base=x
Area=½bh
72=½x•x
72×2=x²
144=x²
x=√144=12
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