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stepan [7]
3 years ago
15

Identify the probability to the nearest hundredth that a point chosen randomly inside the rectangle either is in the trapezoid o

r in the triangle.

Mathematics
1 answer:
Anit [1.1K]3 years ago
3 0

Answer:

0.06

Step-by-step explanation:

we know that

The probability of an event is the ratio of the size of the event space to the size of the sample space.  

The size of the sample space is the total number of possible outcomes  

The event space is the number of outcomes in the event you are interested in.  

Let

x------> size of the event space

y-----> size of the sample space  

so

P=\frac{x}{y}

step 1

Find the probability that a point chosen randomly inside the rectangle is in the circle

<em>Find the area of the rectangle</em>

A=26.2*13=340.6\ in^{2}

<em>Find the area of the circle</em>

A=3.14*(2)^{2} =12.56\ in^{2}

In this problem we have

x=12.56\ in^{2}\\ y=340.6\ in^{2}

substitute

P=\frac{12.56}{340.6}=0.037

step 2

Find the probability that a point chosen randomly inside the rectangle is in the regular hexagon

<em>Find the area of the regular hexagon</em>

A=6[\frac{1}{2} (1.8)^{2}sin(60)]=8.42\ in^{2}

In this problem we have

x=8.42\ in^{2}\\ y=340.6\ in^{2}

substitute

P=\frac{8.42}{340.6}=0.025

step 3

Find the probability that a point chosen randomly inside the rectangle is  either in the circle or in the regular hexagon

Is the sum of the two probabilities

0.037+0.025=0.062

Round to the nearest hundredth

0.062=0.06

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