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16 votes
16 votes
The measure of major arc TBU is.
46°
U
T
degrees.
B
?

The measure of major arc TBU is. 46° U T degrees. B ?-example-1
User Gui Moura
by
3.3k points

1 Answer

11 votes
11 votes

Answer:

arc TBU = 268°

Explanation:

the measure of the tangent- chord angle TUV is half the measure of its intercepted arc UT , then

UT = 2 × 46° = 92°

the sum of the arcs in a circle = 360° , that is

TBU + UT = 360°

TBU + 92° = 360° ( subtract 92° from both sides )

TBU = 268°

User Pravu Pp
by
2.9k points