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Expand file tree Collapse file tree Original file line number Diff line number Diff line change @@ -1262,6 +1262,36 @@ <h5 style="font-size:160%;margin:7px">Trigonometry</h5>
12621262</ div >
12631263< br >
12641264< br >
1265+ < math style ="margin:12px; " xmlns ="http://www.w3.org/1998/Math/MathML " > < mrow >
1266+ < mi > S</ mi >
1267+ < mo > =</ mo >
1268+ < mi > Semi perimeter</ mi >
1269+ < mo > =</ mo >
1270+ < mfrac >
1271+ < mrow >
1272+ < mo > (</ mo >
1273+ < msub >
1274+ < mi > side</ mi >
1275+ < mn > 1</ mn >
1276+ </ msub >
1277+ < mo > +</ mo >
1278+ < msub >
1279+ < mi > side</ mi >
1280+ < mn > 2</ mn >
1281+ </ msub >
1282+ < mo > +</ mo >
1283+ < msub >
1284+ < mi > side</ mi >
1285+ < mn > 3</ mn >
1286+ </ msub >
1287+ < mo > )</ mo >
1288+ </ mrow >
1289+ < mn > 2</ mn >
1290+ </ mfrac >
1291+ </ mrow >
1292+ </ math >
1293+ < br >
1294+ < br >
12651295< math style ="margin:12px; " xmlns ="http://www.w3.org/1998/Math/MathML ">
12661296 < mrow >
12671297 < mi > A</ mi >
@@ -1309,38 +1339,6 @@ <h5 style="font-size:160%;margin:7px">Trigonometry</h5>
13091339</ msqrt >
13101340</ mrow >
13111341</ math >
1312-
1313- < br >
1314- < br >
1315-
1316- < math style ="margin:12px; " xmlns ="http://www.w3.org/1998/Math/MathML " > < mrow >
1317- < mi > S</ mi >
1318- < mo > =</ mo >
1319- < mi > Semi perimeter</ mi >
1320- < mo > =</ mo >
1321- < mfrac >
1322- < mrow >
1323- < mo > (</ mo >
1324- < msub >
1325- < mi > side</ mi >
1326- < mn > 1</ mn >
1327- </ msub >
1328- < mo > +</ mo >
1329- < msub >
1330- < mi > side</ mi >
1331- < mn > 2</ mn >
1332- </ msub >
1333- < mo > +</ mo >
1334- < msub >
1335- < mi > side</ mi >
1336- < mn > 3</ mn >
1337- </ msub >
1338- < mo > )</ mo >
1339- </ mrow >
1340- < mn > 2</ mn >
1341- </ mfrac >
1342- </ mrow >
1343- </ math >
13441342</ div >
13451343</ div >
13461344< br >
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