Question

In figure, AOB is a straight line. Determine x​

Answer 1

sales AB is a straight line

50°+30°+2x=180°

so, x=180°-80°/2 =50°

Step-by-step explanation:

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Answer 2

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GIVEN :

A figure in which AOB is a straight line.

TO FIND :

the value of x

CONCEPT USED :

sum of angles on a straight line =180°

SOLUTION :

AOB is a straight line. Therefore =>

=> 50°+2x+30°=180°

=> 50+30+2x=180°

=> 80°+2x=180°

=> 2x=180-80

=> 2x=100

=> x=100/2

=> x=50

ANSWER : X=50

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