It's not exactly clear what your teacher or book is asking for. By the way, all circles are similar to one another. There's no need to make the statement "If circle B is similar to circle A" because it's something that can be proven for any pair of circles. There are no cases where we can find two circles that are not similar.
Answer:
256
Step-by-step explanation:
b^2 + 2bl
8^2 + 2(8)(12)
64 + 16(12)
64 + 192
= 256
Answer:
7
Step-by-step explanation:
number of diagonals in a regular polygon = number of sides - 2.
A nonagon is a polygon having 9 sides.
Total number of diagonals in a regular nonagon
= 9 - 2
= 7
Answer:
240.8
Step-by-step explanation:
→ Calculate time taken
16:43 - 14:56 = 1 hour and 47 minutes
→ Write the speed formula and make distance the subject
Speed = Distance ÷ Time ⇔ Distance = Speed × Time
→ Convert 1 hour and 47 minutes into decimal format
1.78333333 or 
→ Substitute values into formula
135 × = 240.75
