All categories

3 years ago

A circle has a radius of 63 cm.

Mathematics

2 answers:

Montano1993 [528]3 years ago

4 0

Arc length = radius * central angle (in radians)
arc length = 63 * 2PI/9 radians
arc length = 14 PI

Alika [10]3 years ago

4 0

Answer:

$14\pi\ cm$

Step-by-step explanation:

we know that

The formula to calculate the arc length of the circle is equal to

$arc\ length=r \theta$

where

$r$ is the radius

$\theta$ is the central angle in radians

In this problem we have

$r=63\ cm$

$\theta=\frac{2\pi}{9}$

substitute the values

$arc\ length=63(\frac{2\pi}{9})$

$arc\ length=14\pi\ cm$

You might be interested in

The decimal expansion of the number 2 1 / 2

Molodets [167]

Answer:

${ \tt{ = 2 \frac{1}{2} }} \\ \\ = \frac{5}{2} \\ \\ { \tt{ = 2.5}}$

4 0

3 years ago

WHICH IS LONGER 2 MILES OR ````3 KILOM`ETERS

kompoz [17]

I think 2 miles hoped this helped

8 0

3 years ago

Read 2 more answers

Round to the nearest tenth.

inessss [21]

Answer: Angle A = 53.9 degrees

Step-by-step explanation: We have a right angled triangle with two sides clearly given and one angle to be calculated. If the angle to be calculated is angle A, then having angle A as our reference angle, line AC (10 units) is the adjacent, line CB is the opposite while line AB (17 units) is the hypotenuse. Having been given the adjacent and the hypotenuse, we can now use the trigonometric ratio as follows;

CosA = adjacent/hypotenuse

CosA = 10/17

CosA = 0.5882

By use of the calculator or table of values,

A = 53.97

Approximately to the nearest tenth,

A = 53.9 degrees

6 0

3 years ago

(69 POINTS!!!)

marshall27 [118]

Answer:

3 (x^6 y^4)^(1/3)

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

I need to know if it’s A B C OR D

Liula [17]

SOLUTION

Consider the property, opposite angle of a cyclic quadrilateral are supplementary

hence

$\angle NMP+\angle NOP=180^0$

Recall that

$\begin{gathered} \angle NMP=\angle M=(8x-24)^0 \\ \text{and } \\ \angle NOP=\angle O=(4x)^0 \end{gathered}$

Hnece, we have that

$\begin{gathered} \angle M+\angle O=180^0(opposite\text{ angles of a cyclic quadrilateral)} \\ (8x-24)^0+4x^0=180^0 \end{gathered}$

Then

$\begin{gathered} 8x-24+4x=180 \\ 8x+4x-24=180 \\ 12x-24=180 \\ \text{Add 24 t o both sides } \\ 12x-24+24=180+24 \\ 12x=204 \\ \text{divide both sides by 12} \\ \frac{12x}{12}=\frac{204}{12} \\ \text{Then} \\ x=17 \end{gathered}$

Hence

x=17

Since

$\begin{gathered} \angle NOP=(4x)^0 \\ \text{substitute the value of x, we have } \\ \angle NOP=4\times17=68^0 \\ \text{Hence } \\ \angle NOP=68^0 \end{gathered}$

Therefore

The measure of angle NOP is 68⁰

Answer; 68⁰ (The fourth Option )

5 0

1 year ago