Question

Find the value of x from the figure 80 3x° x°​

Answer 1

Answer:

80*+3x+x=180*

4x=180*-80*

4x=100

x= 100

4

x=25

80*+3×25*+25*=180*

80*+75*+25=180*

Step-by-step explanation:

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Answer 2

Answer:

to find the value of x

we know that

exterior angle = sum of two interior angles

so

x= 50 + 30

x = 80°

to find the value of y

Firstly consider the triangle of 45°

let the unknown angle be a

45 + x + a = 180

45 + 80 + a = 180

a = 180 - 125

a = 55°

Now

y= 180 -(50+55) ( straight line)

y = 180 - 105

y = 75

Step-by-step explanation:

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