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4 years ago

The center of a circle lies on _____.

Mathematics

1 answer:

algol [13]4 years ago

4 0

<h2>Answer:</h2>

A) every diameter

<em>The center of a circle lies on </em><em>every diameter.</em>

<h2>Explanation:</h2>

B) The circle: A circle is a two-dimensional shape where all points are the same distance from the center. So this definition doesn't match the definition of the center of the circle. The center is just a point not several ones.

C) A tangent line: obviously this definition is false. A tangent line is a line not a point.

D) Every chord: A chord is any line segment between two points on a circle. The only chord that passes through is the diameter. So this definition does not include all the chords of a circle

A) Every diameter: This is the correct option! A diameter is any chord that <em>passes through the center</em>.

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3 years ago

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3 years ago

What is the volume of a rectangular prism with a length of 8 1 /2 812 cm, width of 9 1/3 913 cm and a height of 12 2/5 1225 c

blondinia [14]

The volume of a rectangular prism is obtained by multiplying the length, width and the height of the prism. <span>You can multiply them in any order to get the same different result. We calculate as follows:

V = lwh
V = </span>8 1 /2 (9 1 /3) (<span>12 2/5)
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Hope this answers the question. Have a nice day.</span>

4 0

4 years ago

Read 2 more answers

What is the length of the side a ?<br><br> A=

vodka [1.7K]

Answer:

$a = 5$

Step-by-step explanation:

Notice that $\triangle CDB$ is a right triangle where its hypotenuse is $\overline{CB}$ . We can also see that $a = CB$ . For this we must use the Pythagorean Theorem.

Recall:

The Pythagorean Theorem states that if you have a right triangle, the principal square root of the sum of the squares of each leg is the length the hypotenuse.

We can see that $CD = 3$ and $DB = 4$

$a = \sqrt{CD^2 +DB^2} \\ a = \sqrt{3^2 +4^2} \\ a = \sqrt{9 +16} \\ a = \sqrt{25} \\ a = 5$

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3 years ago

Read 2 more answers