What is the area of the trapezoid with height 10 units?
2 answers:
Use Formula A=1/2h(b1+b2)
Question 1
What is the area of this trapezoid?
Questions 2
What is the area of the trapezoid with height 10 units?
Question 3
What is the area of this trapezoid?
Question 4
The figure shows the front side of a metal desk in the shape of a trapezoid. What is the area of this trapezoid?
Question 5
Duc has a trapezoid shaped section of his yard fenced off for his pets. The lengths of the parallel sides of the trapezoid are 8 ft and 14 ft. The height of the trapezoid section is 4 ft.
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Part A) x-intercepts simply show that when the value of the function is zero. Vertex coordinates show that when the function obtains its maximum value. When x=50, function obtains its maximum value and it's 75. The function is increasing in the interval (0, 50) and decreasing in the interval (50, 100). In regard to the height and distance of the tunnel, these numbers show that decreasing and increasing intervals are symmetric. Each number from the intervals has its own pair in the corresponding interval and they are located in the same distance from the midpoint (50,75)
Part B) In order to calculate the average rate of change, we can first write the function. Using the information about the x-intercept and the vertex coordinates, we find that our function is
.
Plugging 15 and 35 in x, we can find the values of the function, i.e.
and 
.
Then, the average change is
Part B) In order to calculate the average rate of change, we can first write the function. Using the information about the x-intercept and the vertex coordinates, we find that our function is
Plugging 15 and 35 in x, we can find the values of the function, i.e.
Then, the average change is