Three vertices of a rectangle are (–2, 1), (–2, –3), and (4, –3)
1 answer:
The answer is C
it's easier if you graph it
we know that the x of the unknown vertice is 4, because this is a rectangle and that vertices has to be on the same x line as the point below.
y of the unknown vertice has to be 1 because the vertice to the left needs to be on the same y line as the unknown vertice
it's easier if you graph it
we know that the x of the unknown vertice is 4, because this is a rectangle and that vertices has to be on the same x line as the point below.
y of the unknown vertice has to be 1 because the vertice to the left needs to be on the same y line as the unknown vertice
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Answer:
Our equation is:
Solving this yields that the width of the river is about 77 feet.
Step-by-step explanation:
Part A)
We know that McNeal is 120 feet from the tree. This is the hypotenuse.
And we want to find the width of the river, which is the side opposite from our angle.
Since we want to find the side opposite to our angle and we are given the hypotenuse, we will use the sine ratio:
Our angle is 40°.
The opposite side is unknown. We can let this be <em>w</em> to represent width.
The hypotenuse is 120 feet. Hence, our equation is:
Part B)
Solve for <em>w: </em>
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Use a calculator:
The width of the river is about 77 feet.