Concept explainers
a.
To calculate:Thearea ratio of region I and parallelogram ACDF .
a.

Answer to Problem 38RP
Thearea ratio is
Explanation of Solution
Given information:
AB : BC =
FE : ED =
Formula used:
Area of triangle:
b = base of triangle
h = height of triangle Area of rectangle:
l = length of rectangle
w= width of rectangle
Calculation:
Two
Therefore, the altitude is proportional to bases
In region I, base
In ACDF , base
b.
To find: The probability that a landing in parallelogram ACDF would land in region II.
b.

Answer to Problem 38RP
Theprobability is
Explanation of Solution
Given information:
AB : BC =
FE : ED =
Formula used:
Area of triangle:
b = base of triangle
h = height of triangle Area of rectangle:
l = length of rectangle
w= width of rectangle
Calculation:
Two triangles are similar by AA similarity rule.
Therefore, the altitude is proportional to bases
In region I, base
In ACDF , base
Probability means possibility.
The probability formula is defined as the possibility of an event to happen is equal to the ratio of the number of favorable outcomes and the total number of outcomes.
Probability of event to happen is
P(A landing in parallelogram ACDFwould land in region II)
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