The lengths of two sides of a parallelogram are 3 and 5. Which of the following is a possible value for the length if a diagonal if a parallelogram?

Answer 1

Are these your choices?

a.2
b.2
c.8
d.10
e.15

What is your answer?

Answer 2

My choices are:
A. 1
B. 4
C. 8
D. 10
E. 15
I think my answer is D. 10

Answer 3

triangle (half of parallelogram) has lengths of 3 and 5
for third side max is <(3+5) =<8
for third side min is >(5-3)= >2