Sadie is planting a circular garden with diameter of 90 inches. marigolds to fill a sector that has a central angle of 60 degrees. she will plant 5 marigold plants per square foot. how many marigold plants will sadie need to buy?

Sadie should buy 37 marigold plants.

Step by step:

First express the area of the full circle (360 degrees, or 2pi radians):

A sector with central angle of 60 degrees is a fraction of 60/360=1/6 of the area calculated above, so:

The area expressed in sq. ft:

1060.3 sq.in. = 7.36 sq. ft

Given that Sadie plants 5 marigold plants per sq. ft.:

She will need to buy approximately 37 plants

24/56=hx^7

step-by-step explanation: