vaniahfrancis vaniahfrancis
  • 02-03-2022
  • Mathematics
contestada

Plse help me on number 11 and 12 so confused on what it’s saying

Plse help me on number 11 and 12 so confused on what its saying class=

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hfpfsq8p9p hfpfsq8p9p
  • 02-03-2022
11. x = 16
complementary angles add up to 90°.
angle 1 and angle 2 added together will equal 90°.
42 + 3x = 90
subtract 42 on both sides.
3x = 48
divide by 3 on both sides.
x = 16
12. x = 26
supplementary angles add up to 180°.
angle c and two times the value of x (2x) will equal 180°.
128 + 2x = 180
subtract 128 on both sides
2x = 52
x = 26
hope this helps!
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