Answer:
x = 7, y = 2
Explanation:
Two triangles are said to be congruent if all three sides and three angles of one triangle is equal to three sides and three angles of the other triangle.
From the question:
BD ≅ BD (reflexive property of equality)
Since BD is the angle bisector of ∠ABC, hence ∠ABD = ∠CBD
∠ABD = 2x + y, ∠CBD = 14 + y. Therefore:
2x + y = 14 + y
2x = 14 + y - y
2x = 14
x = 14 / 2
x = 7
Also, ∠BAD = ∠BCD = 90° (right angled triangle)
Since ∠BAD = ∠BCD, BD ≅ BD and ∠ABD = ∠CBD, therefore ΔABD is congruent to ΔCBD by angle-angle-side congruence theorem.
The angle-angle-side congruence theorem states that if two angles and one side of one triangle is equal to two angles and one side of another triangle the both triangles are congruent.
ΔABD is congruent to ΔCBD, therefore AD = CD
5x - y = x + 13y
13y + y = 5x - x
14y = 4x
14y = 4(7)
y = 4(7) / 14
y = 2
Answer:
It can be found northeast of africa, and contains the Yangtze river inside of it.
Hello There! ^_^
Your question: What were the three main Indian groups before European explorers arrived..?
Your answer: The Mayan, the Aztecs and the Incas were the three main Indian groups before European explorers arrived.
Hope this helps!
For maps you just need to look at the place you want then, try to find where you are and then go go go!
Answer:
The European settlement in the Americas from 1500 to 1790 was most often voluntary migration.
Explanation:
Voluntary migration; is correct because the vast majority of the people from Europe that migrated to the Americas in this period migrated voluntarily, be it because of economic reasons or because of their adventuristic nature.
Internal migration; is not correct because this is a migration that happens within the borders of a country.
Interregional migration; is not correct because the migration was going only in one direction, but in several regions from multiple regions.
International migration; is not correct because the migration was limited, a lot of people from other parts of the world were not allowed to.
Forced migration; is not correct because this was not the principle used for this particular migration.
