Question

The angles of a triangle are (x-40°),(x-20°) and (1/2x-10)°. Find the value of x
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Answer 1

Answer:

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Step-by-step explanation:

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Answer 2

Answer:

Step-by-step explanation:

Sum of the angles of a triangle is 180°

Here the given angles are (x-40)° ,

(x-20)° and (1/2x-10)°

So x-40+x-20+1/2x-10=180

=> 5/2x-70=180

=> 5/2x=180+70

=> 5/2 x=250

=> x=250×2/5=100

So x-40=100-40= 60

x-20=100-20=80

And 1/2x-10=50-10=40

So the angles are 80°,60° and 40° .