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laiz [17]
2 years ago
7

What is the triangle's base, b?

Mathematics
2 answers:
Oksi-84 [34.3K]2 years ago
4 0

Answer:

6.928 or 6.93

Step-by-step explanation:

\sqrt{8^{2}-4^{2}}

ella [17]2 years ago
4 0

Answer:

The triangle's base is 9 inches.

Step-by-step explanation:

The area of a triangle is calculated with the base × perpendicular height × \frac{1}{2}.

We already know the area is 18 square inches and the perpendicular height is 4 inches, so we can calculate the base.

4 × b × \frac{1}{2} = 18

2 × b = 18

b = 18 ÷ 2

b = 9

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