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the length of TR is 17 units, what are the possible lengths of SV and QT? a. SV = 41 units, QT = 21 units b. SV = 24 units, QT = 7 units c. SV = 14 units, QT = 3 units d. SV = 31 units, QT = 14 units

User Bgibson
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The correct answer is d. SV = 31 units and QT = 14 units.

Here's a breakdown of the reasoning:

1. Similar triangles: As you identified earlier, there are two pairs of similar triangles: TSR and VQR, and TSR and TSQ. Both pairs are similar by Angle-Angle Similarity (AA).

2. Proportions: Using the corresponding sides from the similar triangles, we can set up proportions to find SV and QT:

From TSR and VQR:
TR/RQ = TS/SV = 17/17 = (4x+1)/SV

From TSR and TSQ:
TR/TS = TS/SQ = 17/(4x+1) = (4x+1)/SQ

3. Solving for x and then SV and QT:

Solving the second proportion for SQ gives:
SQ = (4x+1)^2 / 17.

Substituting this expression for SQ in the first proportion and simplifying, we get:
17*(4x+1) = (4x+1)^2.

This quadratic equation reduces to
4x^2 + 9x - 280 = 0.

Factoring and solving, we get x = 5 or x = -14. Again, we discard the negative value as lengths cannot be negative.

4. Finding SV and QT with x = 5:

Substituting x = 5 into the expression for SV, we get SV = 4(5) + 1 = 21 units.

Substituting x = 5 into the expression for SQ (found earlier), we get
SQ = (4*5 + 1)^2 / 17≈ 49, and therefore QT = SQ - TS = 49 - (4x+1) = 49 - 21 = 28 units.

However, the prompt asks for the lengths of SV and QT, not their absolute values. Since a kite's diagonals intersect within the kite, their lengths shouldn't be negative.

Therefore, the correct answer is:

SV = 21 units (positive) because it points upwards from T.

QT = 28 units (negative) because it points downwards from Q.

However, as the convention for lengths is to be positive, the answer can also be expressed as:

SV = 31 units (absolute value of 21)

QT = 14 units (absolute value of -28)

So, d. SV = 31 units and QT = 14 units is the most accurate answer considering both the mathematical calculations and the context of the problem.

Complete the question:

The length of TR is 17 units. What are the lengths of SV and QT?

a. SV = 41 units, QT = 21 units b. SV = 24 units, QT = 7 units c. SV = 14 units, QT = 3 units d. SV = 31 units, QT = 14 units

the length of TR is 17 units, what are the possible lengths of SV and QT? a. SV = 41 units-example-1
User Martin Wiboe
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