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The car has a length L = 209, and the paddle has length L_Paddle = 120. Find two possible lengths of the rope (горе), such that the triangle formed by the three objects will have an area of 7525.

a) L_kop-1 = 85, L_between_the_paddle_and_the_car = 194
b) L_kop-1 = 110, L_between_the_paddle_and_the_car = 187
c) L_kop-1 = 94, L_between_the_paddle_and_the_car = 186
d) L_kop-1 = 80, L_between_the_paddle_and_the_car = 195

User Kyle Hale
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1 Answer

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Final answer:

To find two possible lengths of the rope for a triangle with an area of 7525, we use the formula for the area of a triangle and the Pythagorean theorem. One possible length of the rope is 143.1, and the second possible length is 142.6.

Step-by-step explanation:

To find the lengths of the rope such that the triangle formed by the car, paddle, and rope has an area of 7525, we can use the formula for the area of a triangle:

A = (1/2) * base * height

In this case, the base is the length between the paddle and the car and the height is the length of the rope. We can set up an equation using the given values:

7525 = (1/2) * 194 * L_between_the_paddle_and_the_car

Solving this equation, we find:

L_between_the_paddle_and_the_car = 78

Now, to find the length of the rope, we can use the Pythagorean theorem:

L^2 = L_between_the_paddle_and_the_car^2 + L_Paddle^2

Substituting the known values, we get:

L^2 = 78^2 + 120^2

L^2 = 6084 + 14400

L^2 = 20484

Taking the square root of both sides, we find:

L = 143.1

So, one possible length of the rope is 143.1.

To find the second possible length of the rope, we can use the other given values:

7525 = (1/2) * 195 * L_between_the_paddle_and_the_car

Solving this equation, we find:

L_between_the_paddle_and_the_car = 77

Using the Pythagorean theorem again, we can find:

L^2 = 77^2 + 120^2

L^2 = 5929 + 14400

L^2 = 20329

Taking the square root, we get:

L = 142.6

So, the second possible length of the rope is 142.6.

User Sichinumi
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