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riadik2000 [5.3K]
3 years ago
8

A diameter is a chord. True or false and why?

Mathematics
1 answer:
Lena [83]3 years ago
4 0

Answer:

true.

A chord that passes through the center of a circle is called a diameter and is the longest chord.

Step-by-step explanation:

A diameter satisfies the definition of a chord, however, a chord is not necessarily a diameter. This is because every diameter passes through the center of a circle, but some chords do not pass through the center. Thus, it can be stated, every diameter is a chord, but not every chord is a diameter.

i hope this helps you.      :)

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Answer:

There are no gaps between the edges or vertices in a polyhedron. Examples of polyhedrons include a cube, prism, or pyramid. Non-polyhedrons are cones, spheres, and cylinders because they have sides that are not polygons.

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720 m²

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Sum of two consecutive integers is -221
Alex

Answer:

-111 and -110

Step-by-step explanation:

If x is the lesser integer, and x+1 is the next integer, then:

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3 years ago
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Find the Area of the figure below, composed of a rectangle and a semicircle. The radius of the circle is shown. Round to the nea
Anarel [89]

Answer:

  179.3 square units

Step-by-step explanation:

The area of the figure is the sum of the areas of the parts. That is, the area is the sum of the area of the rectangle, and the area of the semicircle.

__

<h3>Semicircle</h3>

The area of a circle with radius 5 is ...

  A = πr²

  A = π(5²) = 25π

The area of the semicircle is half that:

  semicircle area = (25π)/2 = 12.5π ≈  39.3 . . . . square units

<h3>Rectangle</h3>

The area of a rectangle with length L and width W is ...

  A = LW

The width of this rectangle is the diameter of the circle, twice the radius, or 10 units.

  A = (14)(10) = 140 . . . . square units

<h3>Total area</h3>

The sum of the areas of the parts is ...

  total area = semicircle area + rectangle area

  total area = 39.3 + 140 = 179.3 . . . . square units

3 0
2 years ago
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