Explanation:
Lines will have same slope if they make the same angle with respect to the vertical or horizontal
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The similarity statement ∆QRS ~ ∆TUV tells you that ∠R ≅ ∠U.
Angle R is the angle measured clockwise from vertical segment RQ to segment RS. Angle U is the angle measured clockwise from vertical segment UT to segment UV.
Segments RS and UV both make the same angle with a vertical segment, so have the same slope.
199 is greater than 190, and less than 200.
You multiply the difference individual shapes then add all the shapes up to make it 3D
0.1 million years is equal to 100,000 years.
25,000 is smaller than 100,000 years.
Since it is perimeter, it is just meters, instead of being squared or cubed like with area and volume.