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Raewolf25
18.10.2019 •
Mathematics
What is the area of the shaded region below?
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Ответ:
42
Step-by-step explanation:
First find the area of the rectangle as though all of it was shaded.
That means that the length is 7 + 7 = 14
The width does not change and it is 4
The total area is 14 * 4 = 56 square units.
Now find the area of the right triangle.
Area rt triangle = 1/2 b * h
b = 4
h = 7
Area rt triangle = 4 * 7 / 2 = 14
You want the are of everything but the the right triangle.
Area shaded part = Total area - area right triangle = 56 - 14 = 42
Ответ:
1,4 and 5
Step-by-step explanation: