(AAA) Corresponding angles are congruent.
Therefore, the sides of the triangles are proportional:
cross multiply
use distributive property
subtract 100 from both sides
divide both sides by 100

--------------------------------------------------------------------------------------------
(SAS)
If two sides and the included angle of one triangle are equal to the corresponding sides and angle of another triangle, the triangles are congruent.
Therefore we have the equation:

The perimeter of △PQR:

Substitute the value of y to the expression:

Answer:
Step-by-step explanation:
[2,∞)
Answer:
True
Step-by-step explanation:
We knwo this is true because a triangle angle theorem is that the sum of the angles in a triangle is equal to 180 degrees.
Since tri = 3 then,
=> 180/3 = 60
Equal = same --> def. of equilateral triangle
Thus, we know it is true that in an equilateral triangle, each angle is 60 degrees
Hope this helps!
Answer:
11
Step-by-step explanation:
Solution for this problem is in this picture.