Math, asked by samriddhisingh234, 1 month ago

2.find the value of unknown angle:

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Answers

Answered by ratnakar007

0

Step-by-step explanation:

x= 180-100

x= 80

then

x+y+30=180 ( sum of all triangle is 180)

x=80 put in above equation

80+y+30=180

y=180-110

y=70

hence proved

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