Question

13.in each of the following figure one side of a triangle has been produced find all the angles of the triangle in each case​

Answer 1

Answer:

first we will do linear pair 180 - 130 = 50° then will do angle sum property

Step-by-step explanation:

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Answer 2

Step-by-step explanation:

Exterior Angle CBD = 100°

and CBA = ABC

then,

CBD = CBA + ABC ( exterior Angle is equal to sum of Interior Opposite Angles )

So, 100° = m+m

or m = 100°

: =

$\frac{100}{2}$

50°