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2 answers:
Answer:
Option C. x = 5
Step-by-step explanation:
To solve this question we should always keep these two points in our mind.
1). In-center of a triangle is formed by the intersection of the angle bisectors of all interior angles of the triangle.
2). In-center of a triangle is equidistant from all three sides of the triangle.
From the figure attached,
In ΔSRT,
∠ASZ ≅ ∠ZSB [ SZ is an angle bisector of angle ASB]
5x - 9 = 16 [ given in the question]
5x = 16 + 9
5x = 25
x =
x = 5
Therefore, Option C. is the answer.
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Answer:
They can be seater in 7,257,600 ways
Step-by-step explanation:
Arrangment formula:
Number of ways that n elements can be arranged, that is, distributed in n places is:
In this question:
11 seats(driver and other 10).
Only 2 people can drive.
So
The driver can be 2 people.
The other 10 people are arranged in 10 positions.
They can be seater in 7,257,600 ways