Question

in the following figure
find
1) if x =25 ,find y
2)if y = 35 find x ​

Answer 1

Answer:

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Step-by-step explanation:

Here you go,

1) if x = 25 then ∠COB= 3x = 3 x 25 = 75

  ∴ ∠COB = 75

   ∠AOC + ∠COB = 180°    [ LINEAR PAIR]

    2y+5 + 75 = 180

    2y + 80 = 180

    2y = 100

      ∴ y = 50

2) if y = 35,  ∠AOC = 2y +5  = 2(35) +5

                                              = 75

∴∠AOC = 75°

∠AOC + ∠COB = 180°    [ LINEAR PAIR]

75 + ∠COB = 180°

∴3x + 75 = 180

∴ 3x = 105°

∴ x = 35°