donniel88 donniel88

15-06-2020
Mathematics

contestada

What is the value of x? Assume that the line is tangent to the circle
A) 115
B) 130
C) 285
D) 230

What is the value of x Assume that the line is tangent to the circle A 115 B 130 C 285 D 230 class=

Respuesta :

jimrgrant1 jimrgrant1

15-06-2020

Answer:

D

Step-by-step explanation:

The angle formed by the tangent- chord is half the measure of its intercepted arc, thus

The tangent is a straight angle and the adjacent angle to 65 is

180° - 65° = 115° , thus

x = 115 × 2 = 230 → D

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