Each of two tangents from an external point to a circle is 3cm long. The smaller arc which they intercept is 112degrees 30' 26''. Find the radius of the circle.
Help please, I really have no idea. Can you show it with illustrations, thanks!
Each of two tangents from an external point to a circle is 3cm long. The smaller arc which they intercept is 112degrees 30' 26''. Find the radius of the circle.
Help please, I really have no idea. Can you show it with illustrations, thanks!
Hello, reiward!
Each of two tangents from an external point to a circle is 3 cm long.
The smaller arc which they intercept is 112° 30' 26''.
Find the radius of the circle.Code:* * * * * A * o * r * * * 3 * * * * θ * * * C o - - - - * - - - - o P * * * * * * * r * * * 3 * o * * B * * *
The center of the circle is ; its radius is
Tangents
In right triangle
ThereforeL .