Aregular pyramid has a regular polygon base and a over the center of the base. a.perpendicular line segment  b. vertex  c. circle  d. congruent polygon

The answer is B. i.e. vertex

Step-by-step explanation:

A regular pyramid is a n sided figure with a  base of a regular polygon and

a vertex right above the center of the polygon

where n is the no of sides of the polygon

The given figure shows a pyramid with a rectangular base and a vertex  also called the apex

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step-by-step explanation:

your welcome : )

isaiah walks 3 miles due north, turns and then 5 miles due east. how far is he from his starting point?

a^2 + b^2 = c^2

let c = distance from starting point.

(3)^2 + (5)^2 = c^2

9 + 25 = c^2

34 = c^2

sqrt{34} = sqrt{c^2}

sqrt{34} = c