4 years ago

Brian is making 5 triangular flags, each with the dimensions shown below. How much fabric will Brian need to make the 5 flags?

Mathematics

2 answers:

xxTIMURxx [149]4 years ago

7 0

Answer:

Step-by-step explanation:

Finger [1]4 years ago

6 0

Answer:

1,620 square inches

Step-by-step explanation:

The area of one triangle can be computed using the formula ...

A = 1/2bh . . . . where b represents the base length, h represents height

A = 1/2(18 in)(36 in) = 324 in²

Then the area of 5 flags will be 5 times that much:

fabric needed = 5 × (324 in²) = 1,620 in²

Brian will need 1,620 square inches of fabric for his 5 triangular flags.

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