Points A and B lie on a circle with radius 1, and arc AB ⌢ has a length of . What fraction of the circumference of the circle is the length of arc AB ⌢?

Mathematics, 20.05.2021 02:40 mathwhiz9125

Points A and B lie on a circle with radius 1, and arc AB ⌢ has a length of $\frac{\pi }{3}$ . What fraction of the circumference of the circle is the length of arc AB ⌢?

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Answer from: icecreamisgood4u

0.167

EXPLANATION:

To figure out the answer to this question, you'll first need to know the formula for finding the circumference of a circle.

The circumference, C, of a circle is C=2πr, where r is the radius of the circle. For the given circle with a radius of 1, the circumference is C=2(π)(1), or C=2π.

To find what fraction of the circumference the length of AB⌢ is, divide the length of the arc by the circumference, which gives $\frac{\pi }{3}$ ÷ $2\pi$ .

This division can be represented by $\frac{\pi }{3}$ × $\frac{1}{2}$ $\pi =\frac{1}{6}$

can also be rewritten as 0.166 or 0.167.

Answer from: giulissaf

Solution given:

arc AB :angle= $\frac{\pi }{3}$ =60

radius[r]=1

Now

we have

Circumference the circle is the length of arc AB ⌢: $\frac{arc AB }{360}2\pi*r$

$\frac{180}{3} \div 360 \times 2\pi \: \times 1$

=⅓π or 1.047units

Note:

For angle π=180

For length π= $\frac{22 }{7}$ .

Answer from: Quest

answer: segregation violated the equal protection clause of the 14th amendment, which holds that no state can “deny to any person within its jurisdiction the equal protection of the laws.”

details/explanation:

brown v. board of education of topeka, decided by the us supreme court in 1954, ruled that all americans are entitled to the same civil liberties and protections in regard to access to education. until that decision, it was legal to segregate schools according to race, so that black students could not attend the same schools as white students. an older supreme court decision, plessy v. ferguson (1896), had said that separate, segregated public facilities were acceptable as long as the facilities offered were equal in quality. in the case of brown v. board of education, that standard was challenged and defeated. segregation was shown to create inequality, and the supreme court unanimously ruled segregation to be unconstitutional.

the ruling was important in advancing civil rights because it affirmed that the 14th amendment applies to all rights and privileges of citizens, including access to education. this was being violated by states whose laws supported the segregation of schools. section 1 of the 14th amendment reads as follows:

all persons born or naturalized in the united states and subject to the jurisdiction thereof, are citizens of the united states and of the state wherein they reside. no state shall make or enforce any law which shall abridge the privileges or immunities of citizens of the united states; nor shall any state deprive any person of life, liberty, or property, without due process of law; nor deny to any person within its jurisdiction the equal protection of the laws.

Answer from: Quest

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Points A and B lie on a circle with radius 1, and arc AB ⌢ has a length of . What fraction of the ci...

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