If a Denotes the Area of the Sector of a Circle

question 341

Multiple Choice

If A denotes the area of the sector of a circle of radius r formed by the central angle θ, find the missing quantity. If
necessary, round the answer to two decimal places.
- $\theta = \frac { \pi } { 4 }$ radians, $\mathrm { A } = 50$ square meters, $\mathrm { r } =$ ?

• A) \(11.29 \mathrm {~m}\)
• B) \(4.43 \mathrm {~m}\)
• C) \(19.63 \mathrm {~m}\)
• D) \(78.5 \mathrm {~m}\)

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Definitions:

Neural Connections

The links between neurons in the brain, allowing for communication between different parts of the brain and between the brain and the rest of the body.

Dendrites

The rootlike parts of a neuron that receive impulses from other neurons.

Neurotransmitters

Chemicals found in the brain that transmit signals across a synapse from one neuron to another.

Brain Plasticity

The brain's ability to change and adapt as a result of experience by forming new neural connections.