Everything about number one is because it's a half of circle so its area = 1/2 ¶r^2 and its perimeter = ¶r
125% my guys im sorry if its wrong :(
Its Gonna be Hours Divided by rooms.
A) the scale factor of the smaller pyramid to the larger pyramid in simplest form is 24:30 = 4:5
b) the ratio of the area of the base of the smaller pyramid to the
larger pyramid.
From the scale factor, the ratio of the area of the base of the smaller pyramid to the larger pyramid is 4^2 : 5^2 = 16:25
