Question

find X if par is triangle angles are 3y,5yand x exterior angle is 7y​

Answer 1

Answer:

the exterior angle =sum of two opposite angles in the triangle 3y+x=7yx=4y........eq1

3y+5y+4y=180

12y=180

y=180÷12

y=15 so

angles are 45 ,75,60

here x=4y ,so 4×15=60 that's it

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