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timama [110]
4 years ago
15

Can someone help me with this please

Mathematics
2 answers:
AnnyKZ [126]4 years ago
4 0

Referring to angle C in the attached figure, angle c equals to half of the intercepted arc (110 degrees) by the tangent-chord theorem.

Hence angle c = 110/2 = 55 degrees.

Since a+b+c = 180 degrees (sum of angles on a line),

we have angle a+b=180-55=125 degrees.

White raven [17]4 years ago
3 0

The answer is 135 degrees.

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