Question

Is something wrong in this diagram ( fig .6.12 ) ? comment.

Answer 1

Step-by-step explanation:

Yes, The measure of the exterior angle is given wrong.

As we know that in a triangle, the exterior angle is equal to the sum of opposite interior angles.

So,

Exterior angle =

=

Hence the exterior angle should be equal be

instead of

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Answer 2

Answer:

HEY MATE THE FIG 6.12 IS WRONG

EXPLANATION

BECAUSE 50°+50°+50°=150

AND ANGLE MEASURE 180°

THAT'S WHY THE ANSWER IS WRONG