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5. (09.01 LC)The figure below shows a triangle with vertices A and B on a circle and vertex Coutside it. Side AC is tangent to the circle. Side BC is a secant intersecting thecircle at point X:What is the measure of angle ACB? (6 points)32°602816

5 0901 LCThe Figure Below Shows A Triangle With Vertices A And B On A Circle And Vertex Coutside It Side AC Is Tangent To The Circle Side BC Is A Secant Interse class=

Answer :

step 1

Find out the measure of arc XA

we have

56=(1/2)[arc XA] -----> by inscribed angle

arc XA=112 degrees

step 2

Find out the measure of angle ACB

m by a exterior angle

mm

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