An irregular polygon is shown below:
2 answers:
Answer:
Area of the Irregular polygon is 26 square unit.
Step-by-step explanation:
Given:
A figure of irregular polygon.
We need to find the are of the irregular figure.
We divide the irregular polygon in to rectangles.
Figure is attached with marking.
AG = 4 unit
AD = CB = 2 units
DF = AG - AD = 4 - 2 = 2 units
Area of the Polygon = Area of rectangle ABCD + Area of rectangle DEFG
= AB × CB + FG × DF
= 4 × 2 + 9 × 2
= 8 + 18
= 26 unit²
Therefore, Area of the Irregular polygon is 26 square unit.
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Answer:
The probability that the person is between 65 and 69 inches is 0.5403
Step-by-step explanation:
Mean height =
Standard deviation =
We are supposed to find What is the probability that the person is between 65 and 69 inches i.e.P(65<x<69)
At x = 65
Z=-0.4
Refer the z table for p value
P(x<65)=0.3446
At x = 69
Z=1.2
P(x<69)=0.8849
So,P(65<x<69)=P(x<69)-P(x<65)=0.8849-0.3446=0.5403
Hence the probability that the person is between 65 and 69 inches is 0.5403