Mathematics, 17.07.2020 05:01, elisaalonso8805
) Find the average rate of change of the area of a circle with respect to its radius r as r changes from (i) 2 to 3 (ii) 2 to 2.5 (iii) 2 to 2.1 (b) Find the instantaneous rate of change when r − 2. (c) Show that the rate of change of the area of a circle with respect to its radius (at any r) is equal to the circumference of the circle. Try to explain geometrically why this is true by drawing a circle whose radius is increased by an amount Dr. How can you approximate the resulting change in area DA if Dr is small?
Answers: 1
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Mathematics, 21.06.2019 23:40, amandaelisantos
In the diagram, a building cast a 35-ft shadow and a flagpole casts an 8-ft shadow. if the the flagpole is 18 ft tall, how tall is the building? round the the nearest tenth.
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) Find the average rate of change of the area of a circle with respect to its radius r as r changes...
Mathematics, 09.03.2021 02:00
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