An arc length of 120 degrees is 1/3 of the circumference of a circle
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It would be helpful to know " ... and 10" WHAT! Without that information the question cannot be answered.
In order to find length BC the length of AC or length of the hypotenuse must be given
The triangle ABC is an equallateral triangle since angle ABC is one sixth of 360 degress of the circle and the angles BAC and BCA are equal of the remaining 180-60=120 degrees. With radius BC (or BA) being 6; the areaof the circle is pi (r)squared; 36 piArea of the circle is 36piMalcolm Lowe
Find the length of each sideside ab and bc differ in length by 10cm and the side ac and bc differ in length 3cmfind the lenght of each sideperimeter of a triangle abc is 103cm?
Measure it with a rule or find its perimeter and subtract the other 2 sides from it