L=pir*r*theta/180

Find the tetha formula

To find the formula for theta, rearrange the formula for L:

L = pi * r^2 * theta / 180

Now, multiply both sides by 180:

180 * L = pi * r^2 * theta

Divide both sides by (pi * r^2):

theta = (180 * L) / (pi * r^2)

Therefore, the formula for theta is:

theta = (180 * L) / (pi * r^2)