4) Find the missing value.

x = 2.2

Step-by-step explanation:

As per the given drawing, (<E) is a peripheral angle, meaning it is formed by a secant and a tangent line. The peripheral angles theorem states that a peripheral angle is equal to half the measure of intersecting arc. One can apply this here by stating the following,

Substitute,

Simplify,

Inverse operations,

12m

step-by-step explanation:

square root means have of a number so have of 3 is 1.5 then multiply it by 8 and you get your answer!