Answer:
280 ft
Step-by-step explanation:
An auditorium is in the shape of an equilateral triangle with side length as 112 ft.
The stage extends from one vertex of the triangle to the mid-segment and the seating area extends from the mid-segment to the rear wall.
*The situation is represented in the attachment.
According to the midpoint theorem, the segment joining two sides of a triangle at the midpoints of those sides is parallel to the third side and is half the length of the third side.
Hence, the length of the mid-segment in this case is,
Therefore, the perimeter of the seating area is,
Answer:( 1, -2)
Step-by-step explanation: y= (-3)(1)+ 1
y=-3+1
y= -2
Answer: 20
Step-by-step explanation:
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