Answer: 18.84
Explanation: When looking for the circumference you have to follow a certain formula; C= πd
Since the line is in the middle of the circle, you take half of 12, which is 6, and multiply it by pi. So C= 3.14 x 6 which gives you 18.84
Answer:
10. 123º
13. 65º
Step-by-step explanation:
For number 10, a straight line is equal to 180º so all we have to do is subtract 57 (the number that we're given) from 180
For number 13, vertical angles are always congruent (the same) so we know that it's 65º
C is the correct answer the graph is a straight line
Answer:
70kg
Step-by-step explanation:
Answer:


Step-by-step explanation:

solve by quadratic formula.



which is


Simplify.


Solved.
Hope this helps.