Answer:
8x-8
Step-by-step explanation:
10x-2x=8x
-3-5=-8
The perimeter of the figure is 58 units
The area of the figure is 130 unit square
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To calculate the perimeter of the shape, we simply add up the side lengths of the visible parts of the figure.
Having said that, the perimeter is:


To calculate the area, we use a different approach.
First, we split the figure into 3, we then calculate the area of each sub-figure, and then we add up the calculated areas.
From left to right, we have:
Rectangle 1

Rectangle 2

Rectangle 3

The area of a rectangle is:

So, the area of the figure is:


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That's almost the exact definition word for word. (Usually they are described separately).
Absolutely true!!!
Answer is 105 degrees.
Explanation:
Given two parallel lines AB and CD and a transversal cutting the two lines.
We know that when a transversal cuts two parallel line,
i) corresponding angles would be equal
ii) Interior angles total to 180
iii) alternate angles are equal.
In the picture given we have corresponding angles as
(2,6) . Hence angle 2 = angle 6.
Angle 6 = 75 (given)
Hence angle 2 =75.
Angles 1 and 2 are supplementary because they form a linear pair.
Hence angle 1 = 180-75
Angle 1 =105