Answer:
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Help please, solve prob in the picture
2 answers:
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Answer:
Step-by-step explanation:
Given
See attachment for triangle
Required
Find x
To do this, we simply apply sin formula which is:
In this case, it is:
Take arcsin of both sides
--- approximated
Answer:
D. by squaring one side length and doubling the value; then taking the square root of that value
Step-by-step explanation:
Multiplying the length of the square by itself gets you the area of the square, so A is incorrect.
Adding the lengths of all four sides of the square gets you the perimeter of the square, so B is incorrect.
Multiplying 1/2 by the length of the base times the height would get you the area of half of the square, so C is incorrect.
What you need to do is use the Pythagorean theorem: . This formula means that the legs of a right triangle squared and added together will equal the diagonal side squared. Since the side lengths of a square are all the same, we can simplify the formula into
. When we solve that equation for the diagonal, we get
, which is what answer D describes. Therefore, D is correct.