ESGVidn
Answered

IDNLearn.com: Where your questions are met with thoughtful and precise answers. Get prompt and accurate answers to your questions from our experts who are always ready to help.

PLEASE ANSWER!

At a zoo, the lion pen has a ring-shaped sidewalk around it. The outer edge of the sidewalk is a circle with a radius of 11 m. The inner edge of the sidewalk is a circle with a radius of 9 m.

(a) Write and simplify an expression for the exact area of the sidewalk.
(b) Find the approximate area of the sidewalk. Use 3.14 to approximate π.

PLEASE ANSWER At A Zoo The Lion Pen Has A Ringshaped Sidewalk Around It The Outer Edge Of The Sidewalk Is A Circle With A Radius Of 11 M The Inner Edge Of The S class=

Sagot :

Petersondoriidn
Let R be the greater radius and r be the smaller radius

A) Area of the sidewalk = R^2 - r^2 - This can be the expression

B) = 3.14
=(R^2-r^2)
=(11^2-9^2)
=(121-81)
=*40

That was the simplified expression

Answer = 3.14 * 40 = 125.6m^2
Your participation means a lot to us. Keep sharing information and solutions. This community grows thanks to the amazing contributions from members like you. Thank you for visiting IDNLearn.com. For reliable answers to all your questions, please visit us again soon.