...en by <math> (1,0,0) </math>, <math> (0,1,0) </math>, and <math> (0,0,1) </math>. Barycentric coordinates were discovered by Möbius in 1827 (Coxeter 1969,
The Central NC Math Group published a [https://www.youtube.com/watch?v=KQim7-wrwL0 lecture] con
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38 KB (7,569 words) - 02:35, 16 September 2025
...> is a regular pentagon and <math>AG=1</math>. What is <math>FG + JH + CD</math>?
...\qquad\textbf{(D) } 1+\sqrt5 \qquad\textbf{(E) } \dfrac{11+11\sqrt5}{10} </math>
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8 KB (1,375 words) - 13:55, 20 March 2025
...th> \angle BAD = 60^\circ </math>. What is the area of rhombus <math>BFDE</math>?
...quad \textbf{(C) } 8\qquad \textbf{(D) } 9\qquad \textbf{(E) } 6\sqrt{3} </math>
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6 KB (926 words) - 12:18, 12 October 2024
...ath>FG=17</math>, and <math>EF=184</math>, what is the length of <math>CE</math>?
...s of <math>HG</math> and <math>AD</math> to be <math>P</math> and <math>Q</math>, respectively.
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7 KB (1,193 words) - 07:55, 2 January 2025
...e ABC</math> is <math>360</math>, what is the area of <math>\triangle EBF</math>?
...bf{(B) }30\qquad\textbf{(C) }32\qquad\textbf{(D) }36\qquad\textbf{(E) }40</math>
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26 KB (4,122 words) - 21:28, 26 October 2025
...competitions, including the prestigious [[USAMO]]. Therefore, any aspiring math olympian should peruse this material carefully, as it may contain the keys
...that situation. I hope after you read this text, you will become a better math student, armed with another tool to solve difficult problems. But, anyway,
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12 KB (2,137 words) - 02:43, 17 May 2025
...> discount. Pam buys 5 tickets using a coupon that gives her a <math>30\%</math> discount. How many more dollars does Pam pay than Susan?
...}\ 5\qquad \mathrm{(C)}\ 10\qquad \mathrm{(D)}\ 15\qquad \mathrm{(E)}\ 20</math>
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13 KB (2,049 words) - 10:03, 22 March 2025
