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4 years ago

Each angle measure of a regular polygon is 60°. What is the polygon?

Mathematics

1 answer:

Tresset [83]4 years ago

8 0

Answer:

Equilateral triangle

Step-by-step explanation:

Sum of all the angles jn a triangle is 180°

Therefore, 180/60=3(no.of sides)

You can see that triangle has 3 sides.

Therefore you can conclude that triangle is the answer. Pls note that if only 1 triangle is mentioned in the question then this will be your answer like thw one above. But if the question is which triangle has all of its angles has 60° then your answer will be equilateral triangle. You can also make a note that sum of all the angles of a triangle is 60°. I think i typed a lot for the explanation although i dont like teaching much. But still i hope this will be helpul.

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An isosceles triangle has two sides of equal length, a, and a base, b. The perimeter of the triangle is 15.7 inches, so the equa

Setler [38]

Answer:

b=0.5 in

b=2 in

Step-by-step explanation:

we know that

The perimeter of triangle is equal to

$2a+b=15$

Solve for a

$a=\frac{15-b}{2}$ -----> equation A

Applying the Triangle Inequality Theorem

a+a > b

2a > b -----> inequality B

<u>Verify each case</u>

case 1) b=-2 in

This value not make sense, the length side cannot be a negative number

case 2) b=0 in

This value not make sense

case 3) b=0.5 in

substitute the value of b in the equation A and solve for a

$a=\frac{15-0.5}{2}=7.25\ in$

substitute the values of b and a in the inequality B

2a > b

2(7.25) > 0.5

14.50 > 0.5 -----> is true

therefore

b=0.5 in make sense for possible values of b

case 4) b=2 in

substitute the value of b in the equation A and solve for a

$a=\frac{15-2}{2}=6.5\ in$

substitute the values of b and a in the inequality B

2a > b

2(6.5) > 2

13 > 2 -----> is true

therefore

b=2 in make sense for possible values of b

case 5) b=7.9 in

substitute the value of b in the equation A and solve for a

$a=\frac{15-7.9}{2}=3.55\ in$

substitute the values of b and a in the inequality B

2a > b

2(3.55) >7.9

7.1 > 7.9 -----> is not true

therefore

b=7.9 in not make sense for possible values of b

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3 years ago

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In a certain country the life expectancy for women in 1990 was 45 and in 2000 it was 85?years. Assuming that life expectancy bet

Darya [45]

Answer:

49145 years

Step-by-step explanation:

In a certain country the life expectancy for women in 1990 was 45 and in 2000 it was 85?years.

Assuming that life expectancy between 2000 and 2100 increases by the same percentage as it did between 1900 and 2000,what will life expectancy be for women in 2100?

In 10 years, the expectancy increased by 85/45 = 17/9

between 2000 and 2100, it will increas by 10 time 10 years, so expected expectancy is $85*(\frac{85}{45})^{10} = 49145$ years

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3 years ago

The table shows whether members in a fishing group caught fish or did not catch fish and whether they fished from a boat or from

MariettaO [177]

The given scenario falls under the category of conditional probability. There are a total of 56 people in the fishing group described above. The probability that the a person caught a fish and fished from a boat is 24/56. The probability that he fished from a boat is (24+11)/56. For the conditional probability in this item is,
P = (24/56) / ((24+11)/56) = 24/35 = 0.69

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3 years ago

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A newspaper posted this question on its web "How often do you seek medical information online?" Of 1072 Internet users who cho

Lostsunrise [7]

Answer:

1. Option c

2. Option d

Step-by-step explanation:

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3 years ago

Hey?? Answer this question

Valentin [98]

Answer:

Option D

Step-by-step explanation:

Because, there is equals symbol in the equation.

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3 years ago