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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? A= 1/2 bh Select one A. 9 B. 12 C. 11 D. 5
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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?

A= 1/2 bh

Select one
A. 9
B. 12
C. 11
D. 5

If the area A of a triangle is 72, and the height h is equal to the length of the-example-1
User Pawelbial
by
3.4k points

2 Answers

2 votes

Answer:

12

Explanation:

12 x 12= 144

144/2= 72

User Syed Ahmed
by
3.2k points
2 votes

Answer:

option B

Explanation:

let the height=x

base=x

Area=½bh

72=½x•x

72×2=x²

144=x²

x=√144=12

User Garry Polley
by
2.8k points
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