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sammy [17]
1 year ago
7

Solve for the long leg and for the hypotenuse of the 30-60-90 triangle.

Mathematics
1 answer:
Xelga [282]1 year ago
7 0

By using the properties of the 30-60-90 right triangles, the lengths of the long leg and the hypotenuse are √3 · L and 2 · L, respectively.

<h3>What are the lengths of the hypotenuse and the long leg of the 30-60-90 right triangle?</h3>

Right triangles are triangles where one of its internal angles is a right angle, that is, has a measure of 90°. 30-60-90 triangles are right triangles whose internal angles have measures of 30°, 60° and 90°, respectively.

This kind of right triangles have the following features:

  1. The long leg is adjacent to the least angle of the triangle, that is, the angle whose measure is 30°.
  2. The short leg is opposite to the least angle of the triangle, that is, the angle whose measure is 30°.
  3. The length of the long leg is √3 times the length of the short leg.
  4. The length of the hypotenuse is 2 times the length of the short leg.

If we know that the short leg has a length of L, then the lengths of the long leg and the hypotenuse are √3 · L and 2 · L, respectively.

To learn more on 30-60-90 right triangles: brainly.com/question/11751274

#SPJ1

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3 years ago
A rectangle and a square have the same area. The width of the rectangle is 2 in less than the side of the square and the length
lina2011 [118]
The area of a rectangle is A=LW, the area of a square is A=S^2.

W=S-2 and L=2S-3

And we are told that the areas of each figure are the same.

S^2=LW, using L and W found above we have:

S^2=(2S-3)(S-2)  perform indicated multiplication on right side

S^2=2S^2-4S-3S+6  combine like terms on right side

S^2=2S^2-7S+6  subtract S^2 from both sides

S^2-7S+6=0  factor:

S^2-S-6S+6=0

S(S-1)-6(S-1)=0

(S-6)(S-1)=0, since W=S-2, and W>0, S>2 so:

S=6 is the only valid value for S.  Now we can find the dimensions of the rectangle...

W=S-2 and L=2S-3  given that S=6 in

W=4 in and L=9 in

So the width of the rectangle is 4 inches and the length of the rectangle is 9 inches.


5 0
3 years ago
NEED HELP TO SOLVE THESE ASAP!!!!!!!!
Anika [276]
For  question 1
x^7
for question 2
h^9
5 0
3 years ago
2x^3+5x^2+6x+152x 3 +5x 2 +6x+15
Dmitrij [34]

ANSWER = 154^3+10^2+12+15

5 0
2 years ago
PLEASE HELP ME
irina [24]
Answer: pt 2 HOPE THIS HELPS!
7 0
2 years ago
Read 2 more answers
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