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Tju [1.3M]
2 years ago
10

The area of the shaded section is 63 square units. What is the value of x ? Help

Mathematics
2 answers:
Juli2301 [7.4K]2 years ago
7 0
I found an image that corresponds to the above question.
The shape was a rectangle. Its width is 7 units, its length is x.
The shaded area of the rectangle forms a trapezoid.

Area of a trapezoid = [(a+b)/2] * h

63 sq. units = (7+x)/2 * 7
63/7 = (7+x)/2
9 = (7+x)/2
9*2 = 7 + x
18 = 7 + x
18 - 7 = x
11 = x

The value of x is 11 units. It is the length of the rectangle.

Area of the trapezoid = (a+b)/2 * h
63 = (7+11)/2 * 7
63 = 18/2 * 7
63 = 9 * 7
63 = 63 

inna [77]2 years ago
6 0

Answer:

B. 11

Step-by-step explanation:

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