3 years ago

Both are x= 27. x= 28.x=

Mathematics

1 answer:

Black_prince [1.1K]3 years ago

3 0

Answer:

Step-by-step explanation:

27. the sum of 2 complementary angles=90

8x-17+5x-10=90

13x=90+27

13x=117 x=9

28. the sum of supplementary angles=180

17x-12+3x-48=180

20x=180+60

20x=240

x=120

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