Math, asked by rsbadgujar19, 7 months ago

If the radius of a circle is decreased by 20%, find the percentage decrease in its area.

Answers

Answered by sahitya17

1

Step-by-step explanation:

area = π r²

da/a = 2dr/r

= 40%

please mark as brainliest if you understand ☺️

Previous Question

Next Question

Similar questions

Science, 3 months ago

what thing of the lad great liking was not allowed in the ashram...

Math, 3 months ago

What percent of 425 is 34...

Math, 3 months ago

22. The length and breadth of a rectangle are (2x+3) and (x+4) respectively express the area and perimeter of the rectangle...

English, 7 months ago

What did the mountaineer see from peak of the mountain?

Math, 7 months ago

determine a and b if 7root +5root /-7root -5root .-7root -5root /7root+5root =a+35rootb...

Business Studies, 11 months ago

Explain the functions of wholesalers.

Psychology, 11 months ago

Define stress. Identify the major stressors in the life of a student, and the usual responses to them.

Business Studies, 11 months ago

From the sentences given below, mark (W) for those belonging to wholesalers and (R) for retailers in the boxes given against each: (i) Selling goods in small quantities ( ) (ii) More capital required ( ) (iii) Sale of goods for resale ( ) (iv) Dealing in a limited range of goods only ( ) (v) Direct contact with consumers ( )...