Figure not available
Four straight lines intersect at point P as shown above. What is the value of ?
Grid-in question: work out the answer and enter it as a number.
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Correct answer: 65
The answer is 65.
Call the missing angle in the top half of the figure .
The sum of the four angles on the top of the figure is equal to 180°.
Since is a vertical angle with the 25° angle, then
is also 25°. Use that to solve for
.