V + F = E + 2
Plugging in the given values:-
6a + 4a = 8a + 2 + 2
10a - 8a = 4
2a = 4
a = 2
Given:
In the given circle, ∠ADB = 270° and length of ADB = 61.26 m
To find the radius of the circle.
Formula
The formula to determine the radius is given by

Substituting arc length = 61.26,
, we get;



Thus, the radius is 13 m
Answer:
range you can calculate maximum value - minimum value 78- 46=32