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shusha [124]
3 years ago
11

Please help, find the value of y

Mathematics
1 answer:
Artyom0805 [142]3 years ago
5 0

Answer

Step-by-step explanation:

chord makes  or arc make 120° at the center.

sum of other two angles of triangle=180-120=60

because they are equal.

so each angle=60/2=30°

tangent line makes angle 90° with radius .

so 30+y=90

y=90-30=60°

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