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pleas help in math!! i need an explanation on how you got he answer too please!!
(no links please!)

pleas help in math i need an explanation on how you got he answer too please no links please class=

Respuesta :

Answer:

a = 70 degrees.

Step-by-step explanation:

Use this circle angle theorem:

The angle subtended by an arc at the center of a circle = 2 times the angle subtended by the arc on the circumference.

So m < a = 1/2 * 140 = 70 degrees.

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