Answer:
The sine of A is equal to 4/5.
Step-by-step explanation:
The sine of an angle is defined as the length of the opposite side divided by the length of the hypotenuse.
The side opposite A is 12 units long, and the hypotenuse 15. This means that the sine of A is equal to 12/15, or 4/5.
Answer:
18.......................
22:7 simplified is 3 1/7 since 7times3 is 21 and with one left it makes 3 1/7