Find the lateral area the regular pyramid.

l. a. =

Step-by-step explanation:

You must apply the following formula for calculate  the lateral area the regular pyramid:

Where p is the perimeter of the base and l is the slant height:

Find the apothem of the hexagonal base:

Where s is the side length and n is the number of sides the polygon.

Then:

Apply the Pythagorean  Theorem to find the slant height:

The perimeter is:

Susbtituting values, you obtain:

7.3

step-by-step explanation:

step-by-step explanation: if she dances 25 minutes longer then runs she would have dance 25 more minutes of running and 30 minutes of dancing to add up to 55