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| Math Central | Quandaries & Queries |
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Question from Olatundun: An Equilateral Triangle Of Side 20cm Is Inscribed In A Circle. Calculate The Distance Of A Side Of The Triangle From the Centre Of The Circle. |
Hi,
In my diagram, $D$ is the centre of the circle, $ABC$ is the inscribed equilateral triangle and $E$ is the midpoint of the line $CA$ so the length of $EA$ is 10 cm.
What is the measure of the angle $CAB?$
What is the measure of the angle $CAD?$
What is the measure of the angle $DEA?$
Penny
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