In teh figure; PA is a tangent to the circle, PBC is secant and AD bis

1.	In teh figure; PA is a tangent to the circle, PBC is secant and AD bisects angle BAC. Show that triangle PAD is an isosceles triangle. Also, show that : ∠CAD=12[∠PBA−∠PAB]
Answer» In teh figure; PA is a tangent to the circle, PBC is secant and AD bisects angle BAC. Show that triangle PAD is an isosceles triangle. Also, show that : $∠ C A D = \frac{1}{2} [∠ P B A - ∠ P A B]$

In teh figure; PA is a tangent to the circle, PBC is secant and AD bisects angle BAC. Show that triangle PAD is an isosceles triangle. Also, show that : ∠CAD=12[∠PBA−∠PAB]

Answer»

In teh figure; PA is a tangent to the circle, PBC is secant and AD bisects angle BAC. Show that triangle PAD is an isosceles triangle. Also, show that :

$∠ C A D = \frac{1}{2} [∠ P B A - ∠ P A B]$

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In teh figure; PA is a tangent to the circle, PBC is secant and AD bisects angle BAC. Show that triangle PAD is an isosceles triangle. Also, show that : ∠CAD=12[∠PBA−∠PAB]

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