MATHS, SOLVE IT PLEASE (ONLY PROPER ANSWER IF U KNOW)
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3
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Let us analyze this diagram. Look at all the angles and look at how they lie on a straight line. Hence we know that straight line = angle is 180°.
Hence,
2x + 10 + 3x - 10 + 40 = 180 degrees
5x + 40 = 180 degrees
5x = 140
x = 140/5 = 28 degrees.
The picture is not very clear, and the last angle sort of looks like 10 and 40, so I'm going to do 10 also.
2x + 10 + 3x - 10 + 10 = 180
5x + 10 = 180
5x = 170
x = 170/5 = 36 degrees.
Hope this helps. Next time make sure the picture is clear for our understanding.
Answered by
2
Answer:
Option B 28⁰
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