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Firlakuza [10]
2 years ago
12

Art wants to cover an isosceles triangle with a height of 9 centimeters and a base of 7 centimeters in fabric. How much fabric d

oes he need?
Mathematics
1 answer:
s2008m [1.1K]2 years ago
6 0

Answer:

31.5 cm²

Step-by-step explanation:

Calculate area of a triangle with this formula:

Area = \frac{1}{2} base * height

Substitute in known values

Area = \frac{1}{2} 7 * 9

Multiply 7 by 1/2

Area = 3.5 * 9

Multiply

Area = 31.5 cm²

Hope this helps :)

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