naruto63
01.02.2020 •
Mathematics
Explain your answers and i'll mark the brainliest!
calculate the side lengths a and b tot two decimal places.
a) a = 10 and b = 14
b) a = 11.71 and b = 15.56
c) a = 11.40 and b = 13.38
d) a = 4.18 and b = 3.15
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Ответ:
The answer is B.
Step-by-step explanation:
As the sum of interior angles in a triangle is 180deg.
<C = 180-110-45 = 25deg.
Using sine rule, a/sinA = b/sinB = c/sinC
a=7*sin45deg/sin25deg = 11.71
b=7*sin110deg/sin25deg = 15.56
The answer is B.
Ответ:
Cheese
Step-by-step explanation: