Answer: 180
Step-by-step explanation: 30 x 6= 180
Answer:
2.57 x 10^1
is the scientific notation of 25.7
Step-by-step explanation:
Answer:21 cm
Step-by-step explanation: The circle's circumference is 84 cm. 84 / 4 = 21. Therefore the length of the arc XY is 21 cm.