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3 years ago

The carpenter is building a bookcase. How can the Carpenter use a tape measure to check if the bookshelf it’s rectangular?

Mathematics

2 answers:

Fantom [35]3 years ago

8 0

Answer:

The answer is B

Sergio [31]3 years ago

3 0

Answer:

The correct option is B) She can measure the opposite sides. If they are congruent, then the bookshelf is in the shape of a parallelogram. Then she can measure the diagonals. If they are congruent, then the bookshelf as rectangular

Step-by-step explanation:

Consider the provided information.

The property of a rectangle is:

Opposite sides of a rectangle are congruent, and diagonals bisect each other.

Also the diagonals are congruent.

Now consider the provided options

Option A is not the correct option because rhombus and square has the property that all of the sides are same length.

Option B is correct as it follows the property of rectangle.

Option C is not correct because the property of parallelogram is diagonals bisect each other. This option tells us that the figure is a parallelogram but do not specify the type of parallelogram.

Option D is not correct as option A and C are not correct.

Hence, the correct option is B) She can measure the opposite sides. If they are congruent, then the bookshelf is in the shape of a parallelogram. Then she can measure the diagonals. If they are congruent, then the bookshelf as rectangular

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Answer:

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Step-by-step explanation:

Given that:

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In other to pay the same amount of money :

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Step-by-step explanation:

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4 years ago

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Suppose that a rectangle has an area of 54 square meters. Express the perimeter P as a function of the length x of one of the si

Lapatulllka [165]

Answer:

$P(x) = 2\left(x+\dfrac{54}{x}\right)$

Step-by-step explanation:

The area of the rectangle can be written as:

$A = x*h$

here, x is one side length, and h is the other side length. This area is said to be equal to 54 square meters.

$54 = x*h$

The perimeter of a rectangle can be written as:

$P = 2x+2h$

To express perimeter only in terms of x (in other words making it a function P(x)). we need to replace h. And this can be done by using the equation of area that we derived earlier.

$54 = x*h$

$h=\dfrac{54}{x}$