Solve the following tasks:
Given a 
with the parameters 
, 
, as 
measures 
. Calculate both possible page lengths 
. Round the result to two decimal places.
The lengths of the sides of a triangle are three consecutive terms of an arithmetic sequence with difference d = 1. Calculate the lengths of the sides if the largest angle of the triangle measures 
.
In the triangle 
measure the sides 
and 
. Between the angles 
and 
the connection 
applies. Calculate the area of triangle . Round the result to two decimal places.
