Question

An external bisector of an angle measuring 70° will divide the angle into two angles measuring?
(Please explain using diagram)​

Answer 1

Answer:

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Answer 2

The value of angle MBC is 125°

Step-by-step explanation:

let the angle ABC = 70°

MB is the external bisector of the angle

$\angle ABC = 180-70= 110^\circ$

$\angle ABM = \frac{110}{2}= 55^\circ$

then

$\angle MBC = \angle ABC + \angle ABM \\\\\angle MBC = 70+55 = 125 ^\circ$

hence , The value of angle MBC is 125°

#Learn more:

The measure of the angle between the internal and the external bisectors of an angle is:-

60°, 70°, 80°, 90°

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