Answer:

Step-by-step explanation:
Given

Required
The value of a
Cross multiply

Make a the subject



7 because 7 goes into 14 two times thus the answer is 7
Answer:
Hi.
three fifth of 200 is 120.
9514 1404 393
Answer:
6π
Step-by-step explanation:
The circumference of a circle is given by the formula ...
C = πd
The arc length of a semi-circle is half that, so is ...
arc length = (1/2)πd = 1/2·π·12 = 6π . . . units