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3 years ago

Please help question in the picture

Mathematics

1 answer:

Tju [1.3M]3 years ago

8 0

We can think of this as a right triangle, where the given lengths are the legs.

So, we can solve using the Pythagorean Theorem.

21² + 28² = c²

441 + 784 = c²

1225 = c²

35 = c

35 miles

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3 years ago

The diagram shows the net of a juice box. The box is a rectangular prism.

Hoochie [10]

Answer:

269.6 square centimeters

Step-by-step explanation:

The correct question is

The diagram shows the net of a juice box. the box is a rectangular prism. what is the surface area of the juice box? 6.4 cm 4 cm 10.5 cm

we know that

The surface area of a rectangular prism is equal to

$SA=2B+PH$

where

B is the area of the base

P is the perimeter of the base

H is the height of the prism

we have

$L=6.4\ cm\\W=4\ cm\\H=10.5\ cm$

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substitute the given values

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Find the perimeter of the base P

$P=2(L+W)$

substitute the given values

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Find the surface area

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substitute

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Answer:

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