Answer:
112.6°
Step-by-step explanation:
Using cosine law:
20² = 11² + 13² - 2(11)(13)cos(A)
110 = -286cos(A)
cos(A) = -5/13
A = 112.6198649
Answer:
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Step-by-step explanation:
Answer:
6.5 inches
Step-by-step explanation:
Take the total 9.62 inches
Remove the 3.12 inches from the second week and there is your answer!
Answer: 36 centimeters.
Step-by-step explanation:
Given : Area of a rectangular poster = 504 square centimeters.
The width of the poster is 14 centimeters.
We know that area of rectangle :-

Let l be the length of the poster .
Substitute the above values into this , we get

i.e. 
Divide both sides bby 14 , we get

Hence, the length of the poster = 36 centimeters.
100 + 60 = 10c
10c = 160
c = 16 Answer