zigzag47 zigzag47

19-09-2021
Mathematics

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Find x and the size of each angle in this triangle.

6x + 20

4x

7x - 10

Find x and the size of each angle in this triangle 6x 20 4x 7x 10 class=

Respuesta :

maya2626 maya2626

19-09-2021

Answer:

x= 10

6x+20= 80°

4x= 40°

7x= 60°

Answer Link

mek431007 mek431007

19-09-2021

Add 6x+20+4x+7x-10=180

Combine like terms 6x+4x+7x= 17x 20-10=10

17x+10= 180 180-10= 170 170/17x= 10

So x = 10

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