Answer:
13
Step-by-step explanation:
It is a parallelogram so the opposite angles are the same.
All angles sum to 360 degrees.
This means that the adjacent angles sum to 180 degrees.
4a + 11 + 9a = 180 = 13a + 11
13a = 169
a=13
Answer:
It would be 2.17391304348 but you can round it to the nearest tenths or hundreths, whatever you choose
Step-by-step explanation:
If you want to round it to the nearest tenths, then it would be 2.2
If you want to round it to the nearest hundreths, it would be 2.17
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Answer:
9= 71.67°
10= 60.65°
11= 86.59°
12= 62.30°
13= 34.51°
14= 51.71°
15= 22.87°
16= 44.63°
Step-by-step explanation:
The law of sine requires that if we have three sides of length A, B and C with their respective angles as a, b and c then these can be related by
9.
Making x the subject of the formula then
10.
Making x the subject of the formula then
11.
Making x the subject of the formula then
12.
Making x the subject of the formula then
13.
Making x the subject of the formula then
14.
Making x the subject of the formula then
15.
Making x the subject of the formula then
16.
Making x the subject of the formula then
Step-by-step explanation:
Total answer is 0 for the first, second and third