Question

Please help me TT,,,,

Answer 1

add all of the angles which equals to 180 degree

being

3x + 28 + 5x + 52 + 2x + 10=180°

which is

10x + 90 = 180

x = 180-90/10

x=11

Explanation:

then find the value of x for each angle

second picture unclear.

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Answer 2

a.) x=10

Explanation:

3(10)+28= 30+28

58

5(10)+52= 50+52

102

2(10)-10= 20-10

10

58+102+10= 180

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