Answer:
3. SinD= 12/15; Sin E= 9/15
4. sinD= 35/37; sinE= 12/37
5. sinD= 28/53; sinE= 45/53
6. Because the numerator should be 12 since that is the side opposite to the angle A.
Step-by-step explanation:
Answer:
3.
equation = 
Using:
or
or
7^2 + 12^2 = c^2
49 + 144 = c^2
c^2 = 193
missing length = 13.9 inches
4. equation = 
Using:
or 
24^2 + 32^2 = c^2
reduce to:
8 multiplied by everything:
3^2 + 4^2 = c^2
Since we know 3,4,5 is a Pythagorean triple, we can use this to find c.
Since c must be 5, we multiply by 8 since we divided by 8 earlier to get the 3,4,5 and get 40.
missing length = 40 inches
Answer:
radius=6
Step-by-step explanation:
Answer: 0.917
Step-by-step explanation:
3x+8x=12
11x=12
1x=(11x/12)
1x=0.91666
1x=0.917