Answer:
you add up all the angles you know then 360- what all of them are when added together and that is your answer.
Answer:
(x+1)(x+1)(2x−5)(x^2−4x+5)
Step-by-step explanation:
2x^5−9x^4+6x^3+22x^2−20x−25
2x^5−9x^4+6x^3+22x^2−20x−25
=(x+1)(x+1)(2x−5)(x2−4x+5)
3a=11-2
3a=9
---------
9/3=3
---------
A=3
~~~~~~
Not sure on the second one.
Answer:
314 square feet
Step-by-step explanation:
we know that
The area that will be covered by the spray of the quarter-circle sprinkler head, is equal to the area of a quarter circle with radius of 20 feet
so
The area of a quarter circle is
we have
substitute