Answer:1440 degrees
Step-by-step explanation:
The interior angles of a decagon is 1440 degrees. All sides are the same length (congruent) and all interior angles are the same size.
Step-by-step explanation:
if you mean
(35)^2 × 30
then the answer's 36750.
5/ sqrt (10)
no radicals in the denominator so we multiply by sqrt(10)/sqrt(10)
5/ sqrt (10)* sqrt(10)/sqrt(10)
5 * sqrt(10)
---------------
10
sqrt(10)
-----------
2
Answer:
x=-1
y=-3
Step-by-step explanation:
3x-2y=3(1)
5.(1) <=> 15x-10y=15 (2)
15x-4y=-3 (3)
(2)-(3) <=> -6y=18
