1 hour and 30 minutes to make 10 necklaces
The first part to question 8 is 2.25 and the answer to part b is 12
Answer:
x=48
Step-by-step explanation:
The other angle is 66° because it's an isosceles triangle
so
180=66+66+x
180=132+x
x=48
Answer:
or 
Step-by-step explanation:
we know that
Applying the law of cosines

In this problem we have



substitute the values


