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2 years ago

What is the area of the irregular polygon below

Mathematics

2 answers:

Nataly [62]2 years ago

8 0

Answer:

<h2>121.5 sq.units </h2>

Option A is correct option.

Solution,

area of pentagon:

 $\frac{1}{2} \times 4.1 \times (6 + 6 + 6 + 6 + 6) \\ = \frac{1}{2} \times 4.1 \times 30 \\ = 61.$ 

Area of rectangle:

 $6 \times 10 = 60$ 

Total area=

 $61.5 + 60\\ = 121.5 \: {units}^{2}$ 

hope this helps...

Good luck on your assignment..

garik1379 [7]2 years ago

3 0

Answer:

The answer is 121.5 sq. units.

Step-by-step explanation:

To find the answer,

Area of Pentagon: About 61.5 sq. units

Area of Rectangle: 60 sq. units

61.95 + 60 = 121.5 sq. units

Thanks, I hope I got this right!

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Five students, adriana, ben, chandra, diana, and ernesto, would each like one of the four spots at the regional science fair. Th

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<h3>What is theoretical probability?</h3>

Theoretical probability of an event is the ratio of number of favourable outcome to the total expected number of outcome of that event.

Five students, Adriana, Ben, Chandra, Diana, and Ernesto, would each like one of the four spots at the regional science fair.

Their names are placed in a hat, and four names are chosen at random to decide who attends the fair.

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The total number of ways 4 names can be taken out from 5 names is,

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Thus, the number of ways 4 names can be taken out such that it contains the name Chandra is

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$P=\dfrac{^4C3}{^5C4}\\P=\dfrac{4}{5}\\P=0.8\\P=80\%$

Thus, the theoretical probability that Chandra will be chosen as one of the science fair participants is 0.8 or 80%.

Learn more about the theoretical probability here;

brainly.com/question/8652467

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