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gracie2492
09.04.2020 •
Social Studies
Where is the national government located?
Answers:
1: New York, New York
2:Washington, D.C.
3:Tallahassee, Florida
4:Los Angeles, California
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Ответ:
Washington DC.
DC is home to all three branches of national legislature, with those being:
-The Legislative Branch (Congress, which includes the House of Representatives and the Senate)
-The Executive Branch (The President, who resides at the White House)
-The Judicial Branch (The Supreme Court)
Hopefully this helps you! :)
Ответ:
2) Washington, D.C.
Explanation:
Washington, D.C., in Virginia is where the White House is
Ответ:
Step-by-step explanation:
Refer to attached picture
Given rectangle ABCD. Its folded shape is given as well.
It has sides a and b and diagonal d, with the angle BCD marked as α.
We need to find the value of angle AOC or BOD.
This is going to be 2α, which is easy to find out. BOD is cut by the angle bisector, each of the angles is α.
Let the area of the rectangle is A, then the folded shape has area 2/3A.
The area of rectangle ABCD:
A = abFrom the triangle CBD we get:
a/d = sin α ⇒ a = d sin αb/d = cos α ⇒ b = d cos αThen
A = d sin α * d cos α = d²sin α cos αNow, lets find the area of the folded shape.
It is the area of the rectangle minus the area of the triangle CMB as this part is lost as part of overlap.
Area of the triangle:
A = 1/2dhSince h/(d/2) = tan α ⇒ h = 1/2d tan α, the area is:
A = 1/2d*1/2d tan α = 1/4d² tan αWe have the difference of the areas which is 1/3 of the area of the rectangle:
1/3(d²sin α cos α) = 1/4d² tan αsin α cos α = 3/4 tan αsin α cos α = 3/4 sin α / cos αcos² α = 3/4cos α = √(3/4)cos α = √3/2α = arccos (√3/2)α = 30°The acute angle formed by the two diagonals of the rectangle is:
2α = 2*30° = 60°