exam Maths Puzzle Numerical Ability

How to sketch a figure that shows a line that intersects two nonintersecting planes.

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exam Other Question

Which of the following is not a true statement about lines in a plane?
a. Lines continue forever in both directions.
b. All lines are curves
c. Any two lines must either interse i need to find the sum of the first nth terms of the arithmetric series.
3+8+13+18+23
n=20

Sn=366