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dolphi86 [110]
3 years ago
5

What is the circumference of a circle whose radius is 20 feet? Leave answer in terms of π.

Mathematics
1 answer:
kondor19780726 [428]3 years ago
7 0
The circumference of the circle is 40π. Hope it help!
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Please help !!!!!!!!!
Kaylis [27]

Answer:

9) JK = 24.5

10) LM = 24.5

11) m∡L = 51°

12) m∡M = 129°

Step-by-step explanation:

in a parallelogram, adjacent angles are supplementary (add to 180 degrees) and are also congruent

so, ∡K = ∡M and ∡J = ∡L

since ∡'s L and M are adjacent we can add them and set them equal to 180

5z - 6 + 2z - 3 = 180

7z - 9 = 180

7z = 189

z = 27

therefore, m∡M = 5(27)-6 = 129 and m∡L = 180-129, or 51

Also in a parallelogram, opposite sides are equal; so KJ = LM and KL = JM

7x = 3x + 14

subtract 3x from each side to get:

4x = 14

x = 14/4 = 3.5

to find measure of JK, substitute 3.5 for 'x' to get (3.5)(7) = 24.5

to find measure of LM, substitute 3.5 for 'x' to get (3.5)(3)+14 = 24.5

6 0
2 years ago
The perimeter of a standard football field,including end zone is 1040 feet. if the field is 360 feet long,how wide is the field
ozzi
360 * 2=720
1049-720=320
320/2=110 so the answer is it is 110 ft wide

4 0
3 years ago
Help please asap !! it doesn’t hurt to guess also! Thanks
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Answer:

1. True

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Step-by-step explanation:

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5 0
2 years ago
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Flura [38]

Answer:

Step-by-step explanation:

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I have to determine whether the sides of the triangle form a pythagorean triple.​
Crazy boy [7]

Answer:

Step-by-step explanation:

How do you know if side lengths form a Pythagorean triple?

Pythagorean triples may also help us to find the missing side of a right triangle faster. If two sides of a right triangle form part of a triple then we can know the value of the third side without having to calculate using the Pythagorean theorem. From the ratio, we know that it is a Pythagorean triple.

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2 years ago
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