Which angle is a vertical angle with AngleEFD?
1 answer:
Vertically opposite angles are congruent. Thus Angle AFD is vertical to angle AFB
<h3>What are vertical angles?</h3>Vertical angles are the angles opposite each other when two lines cross.
In other words, vertical angles are a pair of opposite angles formed by intersecting lines.
Vertically opposite angles are congruent.
Therefore, the angle vertically opposite to angle EFD is as follows;
AFB ≅ EFD (vertically opposite angles)
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Answer:
Length: 139 feet
Width: 104 feet
Step-by-step explanation:
The formula for the perimeter of a rectangle can be given by . We are given the perimeter of the pool along with the width.
From here, all we have to do is plug back into the original formula:
Which can be further simplified as:
From here, all we have to do is add 70 to both sides of the equation and divide by four:
To make sure that this answer is accurate, we can find that the width of the rectangle should then be 104 (given by 139 - 35). All we have to do is plug back into the original equation:
And the substitution works, so the length of the rectangle would be 139 feet and the width would be 104 feet.
For this case we have that by definition, it is called arcsine (arcsin) from a number to the angle that has that number as its sine.
We must find the . Then, we look for the angle whose sine is
.
We have to, by definition:
So, we have to:
Answer:
Option B