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DochEvi [55]
3 years ago
6

Given a circle with radius of 6 which is the length of an arc measuring 30

Mathematics
1 answer:
seropon [69]3 years ago
7 0

Answer:

Length of arc is π=3.14 units.

Step-by-step explanation:

Given a circle with radius of 6 units and the length of an arc measuring an angle 30°. We have to find the length of arc.

As, the formula to find the length of arc is

\frac{\theta}{360}\times{2\pi r}

⇒ \frac{30^{\circ}}{360^{\circ}}\times 2\pi r

⇒ \frac{30^{\circ}}{360^{\circ}}\times 2\pi\times 6

⇒ \pi=3.14 units

∴ Length of arc is π=3.14 units

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Elena L [17]

Answer:

x = 26

Step-by-step explanation:

Given

\frac{1}{3} (x - 2) = \frac{1}{5} (x + 4) + 2

Multiply through by 15 to clear the fractions

5(x - 2) =3(x + 4) + 30 ← distribute and simplify both sides

5x - 10 = 3x + 12 + 30, that is

5x - 10 = 3x + 42 ( subtract 3x from both sides )

2x - 10 = 42 ( add 10 to both sides )

2x = 52 ( divide both sides by 2 )

x = 26

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3 years ago
I need help on questions 48 49 and 50 and u need to find the surface area of the 3 polyhedras please and thank you!
White raven [17]

48. The surface area of a cylinder is given by

... A = 2πr² + 2πrh = 2πr(r+h)

For r = 13 mi and h = 7 mi, this becomes

... A = 2π(13 mi)(13 mi + 7 mi) = 520π mi²

The surface area of the cylinder is 520π mi² ≈ 1634 mi².

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... A = 2(LW + H(L+W))

For L = 20 m, W = 10 m, H = 7 m, this becomes

... A = 2((20 m)(10 m) + (7 m)(20 m + 10 m)) = 2(200 m² + 210 m²) = 820 m²

The surface area of the prism is 820 m².

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For r = 10 m and h = 13 m, this becomes

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The surface area of the cylinder is 460π m² ≈ 1445 m².

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When calculations are repetitive, it is convenient to let a calculator or spreadsheet do them.

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3 years ago
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Multiply 325326×(325325/2)=52,918,503,138 How it works:
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Answer:

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