Answer:
i think its 6 may be wrong
20/25*2(5-10)=20/25*10-20 later calculate the numbers
Answer:

Step-by-step explanation:
To convert from degree to radian measure
radian measure = degree measure × 
Hence
radian measure = 225 ×
=
= 
Answer: 6 cm
Step-by-step explanation:
6 cm is the radius because half the diameter is the radius
Answer:a
Step-by-step explanation: