Answer:
You can use the Pythagorean Theorem to find the length of the hypotenuse of a right triangle if you know the length of the triangle's other two sides, called the legs. You can use the Pythagorean Theorem to find a value for the length of c, the hypotenuse.
Answer:
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Step-by-step explanation:
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and
so

and you rationalize denominator by multiplying numerator and denominatr by
so that gives--

Your answer is 
Answer:
At least 67 votes
Explanation:
We were given the following information:
There are 100 senators in the US senate,
At least 2/3 of them vote yes in order to ratify or approve, a treaty
The least number of votes needed is calculated below:

Therefore, they must have at least 67 votes to ratify a treaty
Answer:
70
Step-by-step explanation:
The three angles should add to 180 degrees because they come from the same straight line. So 180-52-58=70.