By the law of cosines, the angle
satisfies
which reduces to
which converts to approximately 77 degrees (this can be done my multiplying by 180 and dividing by pi).
First simplify the equation and next multiply the 20 with the x^2 and find a number that adds together to give you the middle
Answer:llength times width divided by 2
Step-by-step explanation:
<h3>
Answer: Rs 25</h3>
Explanation:
Each pencil has a profit of Rs 1.25 since 
Multiply that result with 20 to get the final answer shown above in bold.
16.81665382639196787 x 4.81665382639196787
80.99999999999999982646270300946414412
All you have to do is figure out the rest of the decimal places. I couldn't go any farther. Good luck!
