Question

Identify JK.
JK and JM are tangent to ⊙ W

Answer 1

• JK is 8 units long

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Tangents which meet at the same point are equal in length.

It is shown as:

• JK = JM

Substitute the lengths and solve for x:

• 5x - 12 = x + 4
• 5x - x = 4 + 12
• 4x = 16
• x = 4

Find the length of JK:

• JK = 5*4 - 12
• JK = 20 - 12
• JK = 8