Find the Length of an Arc Intercepted by a Central $\mathrm { r } = 10.63 \mathrm {~cm}$

question 266

Multiple Choice

Find the length of an arc intercepted by a central angle θin a circle of radius r. Round your answer to 1 decimal place.
- $\mathrm { r } = 10.63 \mathrm {~cm}$ .; $\theta = \frac { 10 } { 9 } \pi$ radians

• A) \(18.6 \mathrm {~cm}\)
• B) \(11.8 \mathrm {~cm}\)
• C) \(74.2 \mathrm {~cm}\)
• D) \(37.1 \mathrm {~cm}\)

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Definitions:

Neuron

A neuron is a specialized cell transmitting nerve impulses; a nerve cell.

Myelin

Protective insulation that surrounds parts of neurons, increasing the speed of transmission of electrical impulses along brain cells.

Synapse

The junction between two neurons or a neuron and a muscle where electrical or chemical signals are transmitted.

Dendrite

A branched extension of a neuron that receives impulses from other neural cells and transmits them towards the cell body.