Answer:
They meet a line. Therefore, if two planes cut one another, then their intersection is a straight line.
Step-by-step explanation:
Step-by-step explanation:
to find the area of a circle, it is pi times radius squared. so 1 times pi squared is pi^2 the area is 4 plus 2pi^2
Explanation:
First, switch sides of an equation.

Then, you subtract by the 80 from both sides of an equation.

And finally, simplify and subtract the numbers.


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