Question

Which expression represents the perimeter

of this quadrilateral in units?
4r² - 1
²+3
2
5r²+2
A. 9² +8
B. 117² - 8
C.
11² + 8
D. 9r² + 2r-8
²+4

Answer 1

Answer: 11r² + 8 ==> C

Explanation:

P=Sum of all sides

P=4r² - 1 + r² + 3 + r² + 4 + 5r² + 2

P=4r² + r² + r² + 5r² - 1 + 3 + 4 + 2

P=5r² + 6r² + 2 + 6

P=11r² + 8 ==> C