Explanation:
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The answer is D, noble gases are stable.
The answer is Portugal. The Eastern Europen countries that lie in the Balkan peninsula are Balkan states. Portugal is located in the West of Europe. Balkan countries are located in the southeastern of Europe; composed of 12 countries. These states are close to the Black Sea. The Northern boundary of the peninsula varies (hence also the number of states considered Balkan) especially influenced by historical and political connotations. This is why Turkey is also considered Balkan country.
I believe its A could be wrong sorry if i am
Answer:
The perimeter of the triangle is 2+√2
Explanation:
Since one of the angles of the triangle is 90°, the triangle in question is a right angled triangle.
Since two angles of the triangle are also equal, then two of the its sides will be equal.
Let the opposite and the adjacent sides of the triangle be 1. To get the hypotenuse side, we will apply the Pythagoras theorem which States;
Hypotenuse² = Adjacent²+opposite²
Hyp² = 1²+1²
Hyp = √1²+1²
Hyp = √2
The third side of the triangle is √2.
The perimeter of the triangle will be the sum of all its sides i.e 1+1+√2
= 2+√2
The perimeter of the triangle will be 2+√2
