If the length of a rectangle is 3 meters less than twice its width, what is an equation to find the length of the rectangle?
1 answer:
For this case we have to:
w: Represents the width of the rectangle
L: Represents the length of the rectangle
So, according to the statement we have:
The double width is represented as:
3 meters less than twice the width is represented as:
Then we have that the length of the rectangle is given by the following equation:
Answer:
The length of the rectangle is given by:
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Answer:
6. 60°
7. 5.19559
8. 7.96011
Step-by-step explanation:
6. The sum of angles in a triangle is 180°, so the remaining angle is ...
180° -40° -80° = 60°
7. The lengths of sides are proportional to the sine of the opposite angle (Law of Sines).
a = c·sin(A)/sin(C) = 7·sin(40°)/sin(60°) ≈ 5.19559
8. Same explanation as 7.
b = c·sin(B)/sin(C) = 7·sin(80°)/sin(60°) ≈ 7.96011
