Find the radius of a circle whose circumference is the sum of circumferences of ten circles of radii 4cm,7cm,10cm,13cm,...
Answers
Answered by
2
so sorry i am vry busy
Answered by
2
Answer: 175
Step-by-step explanation:
2xpi x r = 2 x pi x (r1 + r2 + r3... )
r= s10 of the AP
r = 10/2 x (2x4 + 9x3)
r= 5 x (8+27)
r= 5 x 35
r =175
Similar questions