Answer:
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Step-by-step explanation:
Answer: I believe it’s 1,-1. not 100% but pretty positive it is! hope this helps!
Answer:
Draw a line AB
Take a point C on AB
Fix the tip of compass at C and with a fix radius, cut AB on both sides of C
Mark those points D and E
Fix the tip of compass on D, and with the same radius, draw an arc above C
Do the same with E
Those two arcs will intersect at a point, mark the point F
Make a line passing through both C and F
Line CF is perpendicular to AB
the lateral area and total area of regular pyramid with a square base is 130