dinosouriz13
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paige has a garden in the shape of a circle. The radius of the garden is 4 feet. In the center, you place a birdbath with a radius of 1 foot. What is the area left for planting around the bath? Use 3.14 to approximate pi. please help thanks

Respuesta :

apologiabiology
ara=pir^2
plantingarea=gardenarea-birdbath
leave in terms of pi first

gardenradius=4
gardenarea=pi4^2=pi16=16pi

birdbathradius=1
birdbatharea=pi1^1=1pi=pi

plantingarea=garden-birdbath=16pi-pi=15pi

aproxpi=3.14
3.14*15=47.2 ft^2 for planting
47.2 ft^2 for planting anything you want

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