Congruent triangles have equal corresponding sides and angles.
- The measure of the side lengths are: , and
- The measure of the angles are: , and
The given parameters are:
means that triangles DEF and GHJ are congruent triangles.
So, we have:
This gives
Also, we have:
This gives
Also, we have:
This gives
The following angles are also congruent
This gives
Also, we have:
This gives
The measure of angle J is then calculated using
This gives
Subtract 139 from both sides
Read more about congruent triangles at:
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The first given equation is:
4x + 3y = 6
which can be rewritten as:
2(2x) + 3y = 6 .............> equation I
The second given equation is:
2x + 2y = 5
which can be rewritten as:
2x = 5 - 2y ........> equation II
Substitute with equation II in equation I to get the value of y as follows:
2(5-2y) + 3y = 6
10 - 4y + 3y = 6
-y = 6-10 = -4
y = 4
Substitute with the y in equation II to get x as follows:
2x = 5 - 2y
2x = 5 - 2(4)
2x = 5 - 8 = -3
x = -3/2
From the above calculations:
x = -3/2
y = 4
In percentage it would be 70%
Hope I helped:)
Answer:
Step-by-step explanation:
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