Maths-
General
Easy
Question
The values of x y, in the following figure is
- 30°,50°
- 40°,60°
- 50°,70°
- 45°,65°
Hint:
In this question, we have to find the value of x and y using the figure given. We know that sum of angles formed in a straight line is always 180. So, using this formula we can find the required value of x and substitute in other equation formed to find the value of y.
The correct answer is: 40°,60°
As CD is straight line
So, x + 20 + 3x = 180 [sum of angles in a straight line is 180]
4x = 160
x = 40
Also, AB is a straight line
So, 3x + y = 180 [sum of angles in a straight line is 180]
340 + y = 180
120 + y = 180
y = 60
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