Question

Q.3: Find the value of the unknown x and y in the following figure:​

Answer 1

Answer:

Step-by-step explanation:

in triangle,

y +50°+60° = 180° ( angle sum property)

y = 180°-110°

  = 70°

∠x + ∠y = 180° (linear pair)

∠x + 70° = 180°

∠x = 180° - 70°

    = 110°

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Answer 2

✪ Answer : ✪

$\bf{\red{\underline{Given:}}}$

Sum of angle of triangle = ${180 \degree}$

Let angle a be= ${50 \degree}$

Let angle b be = ${60 \degree}$

Let angle c be = y

$\boxed{\green{\angle a + \angle b +\angle c = 180 \degree}}$

Now,

➪ y + 50 + 60 = 180

➪y + 110 = 180

➪y = 180 - 110

➪y = 70

$\boxed{\red{y=70 \degree}}$

Now,

we know that sum of angle on straight line = ${180 \degree}$

So,

➪x + y = 180

➪x +70 = 180

➪x = 180-70

➪x = 110

$\boxed{\pink{x=110 \degree}}$