Question

write angle sum property and exterior angle property of triangle​

Answer 1

Answer:

Angle Sum Poperty = sum of three angles of triangle = 180

Exterior Angle Property = sum of 2 opposite interior sides of a triangle is equal to the 1 exterior angle for example A and B are interior angles of triangle and C is exterior angle and we have dimensions : angle A= 20

angle B = 30

angle C = ?

C = angle A + angle B i.e

20 + 30

50

therefore angle C = 50

Answer 2

$\huge\bf{Answer:-}$

Refer the attachment.