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2 years ago

Pls help me guys, I’d really appreciate it

Mathematics

1 answer:

trapecia [35]2 years ago

8 0

Answer:

∠ PQR = 70°

Step-by-step explanation:

The tangent- tangent angle PQR is half the difference of the intercepted arcs.

minor arc PR = 360° - 250° = 110°

Then

∠ PQR = $\frac{1}{2}$ (250 - 110)° = $\frac{1}{2}$ × 140° = 70°

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Answer:

Step-by-step explanation:

First calculate BD using sine ratio in Δ BCD and the exact value

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-----------------------------------------------------------

Calculate AD using the tangent ratio in Δ ABD and the exact value

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2 years ago