AB is a strait line Work out the size of angle x

Mathematics

2 answers:

hjlf3 years ago

6 0

Answer:

109

Step-by-step explanation:

AB = 180° ( straight line )

X = 180 - 42 - 29

= 138 - 29

= 109

Hope this helped :)

solmaris [256]3 years ago

4 0

Answer:

109

Step-by-step explanation:

line AB is 180 degrees because a circle is 360 degrees and half a circle is 180 degrees.

Add 42 degrees and 29 degrees. 42+29 = 71

Then subtract. 180 - 71 = 109

So therefore $x=109$

Hope this helps:)

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Hi there!

What we need to know:

Linear equations are typically organized in slope-intercept form: $y=mx+b$ where m is the slope and b is the y-intercept (the value of y when x is 0)
Parallel lines always have the same slope

1) Determine the slope of line S using line R (m)

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We can identify clearly that the slope of the line is $-\frac{1}{4}$ , as it is in the place of m. Because parallel lines always have the same slope, the slope of line S would also be $-\frac{1}{4}$ . Plug this into $y=mx+b$ :