# Math Puzzles with Answers in 60 seconds – Can you find X° ? - Videos

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Math Puzzles with Answers in 60 seconds – Can you find X° ?
5 days a week, I will bring you a short, interesting Math Problem that has been trending on various social media sites.

So why should you watch my videos?
Everyday I browse the net for math problems that are interesting, popular and have been asked at various exams .
Thus, apart from improving your math problem solving skills and keeping your mind alert these problems are fun and will help you in preparing for various exams such as the GMAT, GRE, CAT, Bank-PO, SSC, ICSE, CBSE, NDA, IBPS, MAT and much more.

As always if you have a comment , do add it against this video.
If you have an interesting problem that you would like to be featured as a video, please send to to me : [email protected]

Video Creator:
Sanjay Noronha

References:
https://www.mathsisfun.com/algebra/trig-cosine-law.html

Icon Acknowledgements:
Puzzle By Freepik
Light bulb idea By Freepik
Pussy cat cartoon outline variant By Freepik
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Dog By Freepik
Cute giraffe By Freepik
Chronometer black circular tool symbol By Yannick
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Source: www.flaticon.com

Software used:
Sparkol, ScreenFlow

Music:
Artist: http://www.twinmusicom.org/

source

1. VERY SIMPLE PROBLEM SIR G
STEP. 1
S = (a+b+c)÷2 = (7+13+8)÷2= 14
STEP. 2
AREA OF TRIANGLE = Sqrt [S(S-A)(S-B)(S-C)]
= Sqrt [14(14-7)(14-13)(14-8)]
= Sqrt [14x7x6] = 14 Sqrt( 3) … (1)
Step. 3
Area of Triangle =( 1/2 ) × 7 × 13 × SinC …… (2)
Step. 4
Equating (1)&(2)
SinC = 0.5329
C = 32 degree
By
INDER PREET SINGH RAMGHAIYA