If we increase diameter of circle by 20% then how much area of circle increased who will first do it will give it be brainliest answer
Answers
Answered by
4
Answer:
let, diameter=d
Area of circle=πd²/4
new D= (20%d)+d = d/5+d=(6d/5)
New area= πD²/4= 36d²π/100
Increase in Area=(New area/Old area)×100
=(36πd²/100)÷(πd²/4) ×100
=36×4
=144%
Thus, the area of circle increases by 144% if the diameter is increased by 20%
Answered by
0
Answer:
hlllllloooooooooooo
Similar questions