Question

Point B is the midpoint of C D and d(C B)=7.5 then l (C D)=?.​

Answer 1

Answer:

I ( C D ) = 15

Step-by-step explanation:

B is the midpoint of C D

that's why d (C B) = d (B D)

d (B D) = 7.5

I (C D) = d(C B) + d(B D)

= 7.5 + 7.5

= 15

I(C D) = 15