Please please help. i need to pass this .

70.27

Step-by-step explanation:

Find the circumference of a whole circle, then divide by 2:

Insert values:

Divide by 2 (we will simplify pi at the end):

Now add the values of the triangle and circle:

Round to the nearest hundredth:

or just

:Done

arrange the equations with like terms in columns.

analyze the coefficients of x or y.

add the equations and solve for the remaining variable.

substitute the value into either equation and solve.

check the solution.

step-by-step explanation:

it is a. 4.2 because 7.6-3.4 gets the remaining length of 4.2. i might be wrong but i am pretty sure this is the answer.