trigonometrical question! The 2019 Stack Overflow Developer Survey Results Are In Announcing the arrival of Valued Associate #679: Cesar Manara Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)question about right triangleTrigonometrical functionsTrigonometrical QuestionAnalyse trigonometrical functionValue of the angle in isosceles triangle.How to calculate to angle of two 90 degree in a triangle, to find last angleCoordinates of two parallel lines knowing their distanceCalculate distance relative to radius with only arc length and arc height providedFind radius based on length chord of a segment of a circlefinding point on a line where distance to point e (r) is equal to b-e

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trigonometrical question!



The 2019 Stack Overflow Developer Survey Results Are In
Announcing the arrival of Valued Associate #679: Cesar Manara
Planned maintenance scheduled April 17/18, 2019 at 00:00UTC (8:00pm US/Eastern)question about right triangleTrigonometrical functionsTrigonometrical QuestionAnalyse trigonometrical functionValue of the angle in isosceles triangle.How to calculate to angle of two 90 degree in a triangle, to find last angleCoordinates of two parallel lines knowing their distanceCalculate distance relative to radius with only arc length and arc height providedFind radius based on length chord of a segment of a circlefinding point on a line where distance to point e (r) is equal to b-e










-3












$begingroup$


I need to calculate the length of the dotted lines at the linked picture. I am grateful for your help ;)



enter image description here










share|cite|improve this question











$endgroup$











  • $begingroup$
    $$5sin20^circ$$
    $endgroup$
    – lab bhattacharjee
    Mar 31 at 14:27










  • $begingroup$
    Thanks, but how can i also calculate the vertical dotted line?
    $endgroup$
    – Michael Musk
    Mar 31 at 14:54










  • $begingroup$
    @MichaelMusk $5(1-cos 20^circ)$.
    $endgroup$
    – J.G.
    Mar 31 at 15:02















-3












$begingroup$


I need to calculate the length of the dotted lines at the linked picture. I am grateful for your help ;)



enter image description here










share|cite|improve this question











$endgroup$











  • $begingroup$
    $$5sin20^circ$$
    $endgroup$
    – lab bhattacharjee
    Mar 31 at 14:27










  • $begingroup$
    Thanks, but how can i also calculate the vertical dotted line?
    $endgroup$
    – Michael Musk
    Mar 31 at 14:54










  • $begingroup$
    @MichaelMusk $5(1-cos 20^circ)$.
    $endgroup$
    – J.G.
    Mar 31 at 15:02













-3












-3








-3





$begingroup$


I need to calculate the length of the dotted lines at the linked picture. I am grateful for your help ;)



enter image description here










share|cite|improve this question











$endgroup$




I need to calculate the length of the dotted lines at the linked picture. I am grateful for your help ;)



enter image description here







trigonometry






share|cite|improve this question















share|cite|improve this question













share|cite|improve this question




share|cite|improve this question








edited Mar 31 at 14:48









YuiTo Cheng

2,40641037




2,40641037










asked Mar 31 at 14:21









Michael MuskMichael Musk

1




1











  • $begingroup$
    $$5sin20^circ$$
    $endgroup$
    – lab bhattacharjee
    Mar 31 at 14:27










  • $begingroup$
    Thanks, but how can i also calculate the vertical dotted line?
    $endgroup$
    – Michael Musk
    Mar 31 at 14:54










  • $begingroup$
    @MichaelMusk $5(1-cos 20^circ)$.
    $endgroup$
    – J.G.
    Mar 31 at 15:02
















  • $begingroup$
    $$5sin20^circ$$
    $endgroup$
    – lab bhattacharjee
    Mar 31 at 14:27










  • $begingroup$
    Thanks, but how can i also calculate the vertical dotted line?
    $endgroup$
    – Michael Musk
    Mar 31 at 14:54










  • $begingroup$
    @MichaelMusk $5(1-cos 20^circ)$.
    $endgroup$
    – J.G.
    Mar 31 at 15:02















$begingroup$
$$5sin20^circ$$
$endgroup$
– lab bhattacharjee
Mar 31 at 14:27




$begingroup$
$$5sin20^circ$$
$endgroup$
– lab bhattacharjee
Mar 31 at 14:27












$begingroup$
Thanks, but how can i also calculate the vertical dotted line?
$endgroup$
– Michael Musk
Mar 31 at 14:54




$begingroup$
Thanks, but how can i also calculate the vertical dotted line?
$endgroup$
– Michael Musk
Mar 31 at 14:54












$begingroup$
@MichaelMusk $5(1-cos 20^circ)$.
$endgroup$
– J.G.
Mar 31 at 15:02




$begingroup$
@MichaelMusk $5(1-cos 20^circ)$.
$endgroup$
– J.G.
Mar 31 at 15:02










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