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Expand file tree Collapse file tree Original file line number Diff line number Diff line change @@ -3564,7 +3564,6 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
35643564 < mrow >
35653565 < mi > A</ mi >
35663566 < mo > =</ mo >
3567- < mrow >
35683567< mfrac >
35693568< mi > edge</ mi >
35703569< mn > 2</ mn >
@@ -3591,8 +3590,16 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
35913590 </ mrow >
35923591 </ msqrt >
35933592 </ mrow >
3594- < mo > =</ mo >
3593+ </ math >
3594+ < br >
3595+ < br >
3596+ < p style ="margin:12px; "> Simplifying:
3597+ </ p >
3598+ < br >
3599+ < math style ="margin:12px; " xmlns ="http://www.w3.org/1998/Math/MathML ">
35953600< mrow >
3601+ < mi > A</ mi >
3602+ < mo > =</ mo >
35963603< mfrac >
35973604< mi > edge</ mi >
35983605< mn > 2</ mn >
@@ -3617,11 +3624,16 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
36173624 </ mrow >
36183625 </ msqrt >
36193626</ mrow >
3620- < mo > = </ mo >
3627+ </ math >
36213628 < br >
36223629< br >
3623- < mo > =</ mo >
3630+ < p style ="margin:12px; "> Simplifying further:
3631+ </ p >
3632+ < br >
3633+ < math style ="margin:12px; " xmlns ="http://www.w3.org/1998/Math/MathML ">
36243634< mrow >
3635+ < mi > A</ mi >
3636+ < mo > =</ mo >
36253637< mfrac >
36263638< mi > edge</ mi >
36273639< mn > 2</ mn >
@@ -3641,8 +3653,16 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
36413653 </ mrow >
36423654 </ msqrt >
36433655</ mrow >
3644- < mo > =</ mo >
3656+ </ math >
3657+ < br >
3658+ < br >
3659+ < p style ="margin:12px; "> Simplifying further:
3660+ </ p >
3661+ < br >
3662+ < math style ="margin:12px; " xmlns ="http://www.w3.org/1998/Math/MathML ">
36453663< mrow >
3664+ < mi > A</ mi >
3665+ < mo > =</ mo >
36463666< mfrac >
36473667< mi > edge</ mi >
36483668< mn > 2</ mn >
@@ -3656,7 +3676,6 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
36563676 </ mrow >
36573677 < mn > 4</ mn >
36583678 </ mfrac >
3659- </ mrow >
36603679 </ mrow >
36613680</ math >
36623681< br >
@@ -3671,6 +3690,7 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
36713690< msqrt >
36723691< mrow >
36733692< msup >
3693+ < mo > (</ mo >
36743694< mrow >
36753695< mfrac >
36763696< mrow >
@@ -3683,9 +3703,11 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
36833703 < mn > 2</ mn >
36843704</ mrow >
36853705 < mn > 2</ mn >
3706+ < mo > )</ mo >
36863707 </ msup >
36873708< mo > -</ mo >
36883709< msup >
3710+ < mo > (</ mo >
36893711< mrow >
36903712< mfrac >
36913713< mrow >
@@ -3698,33 +3720,12 @@ <h6 style="font-size:160%;margin:7px;">Area of a regular polygon</h6>
36983720 < mn > 6</ mn >
36993721</ mrow >
37003722 < mn > 2</ mn >
3723+ < mo > )</ mo >
37013724 </ msup >
37023725</ mrow >
37033726</ msqrt >
37043727</ mrow >
3705- < mo > =</ mo >
3706- < mrow >
3707- < msqrt >
3708- < mrow >
3709- < msup >
3710- < mrow >
3711- < mfrac >
3712- < mrow >
3713- < mi > edge</ mi >
3714- < mo > ×</ mo >
3715- < msqrt >
3716- < mn > 3</ mn >
3717- </ msqrt >
3718- </ mrow >
3719- < mn > 2</ mn >
3720- </ mrow >
3721- < mn > 2</ mn >
3722- </ msup >
3723- </ mrow >
3724- </ msqrt >
3725- </ mrow >
3726- < mo > =</ mo >
3727- </ mrow >
3728+ </ mrow >
37283729</ math >
37293730< p >
37303731The height of the tetrahedron equals √(( edge × √(3) / 2 )^2 − ( ( edge × √(3) / 2 ) / 3 )^2 ) =
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