Mathematics

Mathematics, 03.08.2019 01:00, oofoofoof1

What is the exact area of a circle with a radius of 31 cm? a. 15.5 cm² b. 31 cm² c.961 cm² d.240.25 cm²

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Mathematics, 19.07.2019 03:30, matthew6889

Answer asap i will give brainiest ( must have answers and explanation to the answers) 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) find the exact area of the larger circle (b) find the exact area of the smaller circle. (c) write an expression to find the exact area of the sidewalk (shaded portion). (d) find the approximate area of the sidewalk. use 3.14 to approximate π.

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Mathematics, 26.07.2019 16:30, cuhh

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. find the exact area of the larger circle find the exact area of the smaller circle. write an expression to find the exact area of the sidewalk (shaded portion). find the approximate area of the sidewalk. use 3.14 to approximate π.find the exact area of the larger circle. show your work. (1 point) a= n x 11 2 a = n? find the exact area of the smaller circle. show your work. (1 point) a= n 9 2 a=n? write an expression to find the exact area of the sidewalk (shaded portion). show your work. (2 points) 11 2 – 9 2 x n find the approximate area of the sidewalk. use 3.14 to approximate π. show your work. (1 point) 11 2 x 3.14 – 9 2 x 3.14=

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Mathematics, 04.08.2019 16:30, ava108

The circumference of a circular tabletop is 72ππ inches. what is the area, in square inches, of the tabletop? 36ππ 144ππ 1296ππ 5185ππ 2. the circumference of a circle is 32ππ. what is the radius of this circle? 8 16 32 64 3. the radius of circle p is 24 centimeters. the radius of circle q is 8 centimeters. which statement correctly compares the area of circle p with the area of circle q? the area of circle p is 3 times the area of circle q. the area of circle p is 6 times the area of circle q. the area of circle p is 9 times the area of circle q. the area of circle p is 12 times the area of circle q. 4. use the circle below to answer this question. point p is at the center of the circle. what is the length of the circumference of the circle, rounded to the nearest tenth of a centimeter? 14.1 centimeters 28.3 centimeters 63.6 centimeters 127.2 centimeters 5. the circumference of a circle is 32ππ. what is the diameter of this circle? 8 16 32 64 description submittoggle dropdown

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Physics, 02.10.2019 01:00, damientran

He function f ( r ) = π r 2 determines the area of a circle in cm2, a , in terms of the radius of the circle in cm, r . define a function g that determines the radius of a circle in cm, r , in terms of the area of the cirlce in cm2, a . g ( a ) = pir^2 π r 2 syntax error. check your variables - you might be using an incorrect one. use function notation to represent each of the following: the area (in cm2) of a circle whose radius is 2.62 cm? the radius (in cm) of a circle whose area is 1530 cm2? how much larger area a circle whose radius is 15.2 cm has than a circle whose radius is 15.1 cm? 9.52 9.52 syntax ok

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What is the exact area of a circle with a radius of 31 cm? a. 15.5 cm² b. 31 cm² c.961 cm² d.240.25...

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