Apiece of art is in the shape of an equilateral triangle with sides of 6 in. find the area of the piece of art. round your answer to the nearest tenth
a. 12.7 in2
b. 15.6 in2
c. 31.2 in2
d. none of these

This is about circle theorems. someone asap : (

Having a hard time understanding this question (see attachment).

A) find the derivative of the inverse to f(x) = 3x + sint at x 6. b) (cale) find the derivative of the inverse to f(x)+3sin at x 6. if x +2y -34, ind he behaviar of the cure at 4,.3), c) a. increasing, concave up d. decreasing, concave down b. increasing, concave down e. decreasing, inflection point c. decreasing, concave up