Question

find the value of x in degree in the following figure ​

Answer 1

Answer:

sum of triangle ( ABC)= 180

(x+30) + (x+15)+ (x)= 180

3x + 45 =180

3x = 180-45

3x= 135

x= 135/3

x= 45

Answer 2

Answer:

we know that sum of all angle in triangle is 180

let's

x+30+x+15+x=180

3x+45=180

3x =135

x=135/3

x=45

a=45+30=75

b=45+15=60

c=x=45

this is your answer

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