Question

22. The sum of circumference and diameter of a circle is 145 cm, find the diameter of the circle
23. The sum of lengths of semicircular bow and its string is 216 cm, find the length of the string.
24. The sum of radii of two circles is 42 m and the difference of their circumferences is 13.4 m, then find their circumference​

Answer 1

Answer:

22.d=35cm

Step-by-step explanation:

let c+d=145

lld=d=145

d(ll+d)=145

d=145/II+1

d=35cm

hopefully it will be helpful