Question

find the x value in the figure​

Answer 1

Answer:

80°+50°+x=180°

180°-(80+50) °=x

180°-130°=x

Hence,

x=50°

Answer 2

Answer:

30 degree

Step-by-step explanation:

Sir, this is hard to explain online, but i will try my best

Firstly, lets mark a point D at the 80 degree angle

As ADB = 80 degree

BDC will equal 100 degree as ADB and BDC are adjacent angles on a straight line and 2 angles on a straight line will ALWAYS equal 180 degree

Now, we can move on to finding the value of x

As the interior angles of a triangle will always equal 180 degree and we have already got 2 angles in the triangle BDC, we can take out the value of x easily

100 + 50 + x = 180 degree

So x = 180-150 = 30

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