Question

find the unknown marked angle in each Triangle?​

Answer 1

Given ∆ is an isoceles∆

in a isosceles triangle angle opposite to equal side are equal

one angle of DG given∆=130°

let other two sides be x

ATQ: 130+x+x=180°. (angle sum property of ∆)

130+2x=180

2x=50

x=25°

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Answer 2

Answer:

each angles stands for 25