3 years ago

Which relationship is always true for the angles x,y and z of triangle ABC

Mathematics

1 answer:

bixtya [17]3 years ago

7 0

Answer:

B. y + z = x

Step-by-step explanation:

x is an exterior angle of the triangle.

y and z are the opposite angles opposite the exterior angle.

The exterior angle theorem of a triangle states that the measure of an exterior angle equals the measure of the sum of the two angles opposite the exterior angle.

Thus:

y + z = x

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