In the given figure

XYZ is a secant and ZT is a tangent. What is the value of x.
Show answer & explanation
Correct answer: A
Explanation
The correct answer is Option 1 i.e 5.
| Understanding/Application |
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XYZ is a secant and ZT is a tangent. ZT2 = ZX. ZY 62 = (4 + X)4 |
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36 = 16 + 4X 4X = 20 X = 5 cm |