Alyssa needs 7 5/8 inches of ribbon for one project and
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We have been given that in triangle ABC angle A=45 angle B =40 and a=7. We are asked to find the equation that we can use to solve for 'f'.
We have two angles and opposite sides to these angles.
We will use Law of Sines to solve our given problem.
, where a, b and c are opposite sides corresponding to angles A, B, and C respectively.
The angle opposite to side b is 40 degrees and angle opposite to side a is 45 degrees.
Upon substituting these values in Law of Sines, we will get:
Therefore, our required equation would be .
The 2 angles are complemantary or form right angles so 
so
. Plugging that into BDC we get 11
Answer:
Step-by-step explanation:
Given : Expression
To find : Solve the expression ?
Solution :
Step 1 - Write the expression,
Step 2 - Apply distributive,
Here, a=25.36, b=1, c=0.45
Step 3 - Solve the expression,
Therefore,