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Solve for angle E. Assume that lines which appear tangent are tangent.

Solve For Angle E Assume That Lines Which Appear Tangent Are Tangent class=

Sagot :

Answer:

Step-by-step explanation:

External angles tangent to a circle such as this measure 1/2 of the difference of their intercepted arcs :

(  ( 360 - 105)  - 105 ) /2 =  angle E =    75  degrees

Another way: EFCD is a quadrilateral whose internal angles sum to 360

degrees....the tangent angles at F and D are 90 degrees each....so

E + F + C + D = 360

E + 90 + 105 + 90 = 360

E = 75 degrees

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