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dEx666 dEx666
  • 23-04-2021
  • Mathematics
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tell whether the angles are complementary or supplementary. Then find the value of x​

tell whether the angles are complementary or supplementary Then find the value of x class=

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jimtalley17 jimtalley17
  • 23-04-2021

Answer:

12) complementary,   x=15

13) complementary, x = 35

x+ (x-20) = 90

x+x+20=90

2x=70

x=35

14) supplementary, x=31

2x+3x+25=180

5x=155

x=31

15) <1 = 130 degrees

 <2 = 50 degrees

<3 = 130 degrees

16) x=53

x+2x+21=180

3x=159

x=53

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