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d1i1m1o1n [39]
2 years ago
12

Please help me asap ill give Brainlyest

Mathematics
1 answer:
Juliette [100K]2 years ago
4 0

Answer:

TS = 6.6 (nearest tenth)

Step-by-step explanation:

<u>Secant</u>: a straight line that intersects a circle at two points.

<u>Tangent</u>: a straight line that touches a circle at only one point.

<u>Theorem</u>

When a secant segment and a tangent segment meet at an exterior point, the square of the measure of the tangent segment is equal to the product of the measures of the secant segment and its external secant segment.

Given:

  • Tangent segment = QR
  • Secant segment = TR
  • External secant segment = SR

⇒ QR² = TR · SR

⇒ 19² = (TS + 16) · 16

⇒ 361 = (TS + 16) · 16

⇒ 22.5625 = TS + 16

⇒ TS = 22.5625 - 16

⇒ TS = 6.5625

⇒ TS = 6.6 (nearest tenth)

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