Question

(SAT Prep) How many distinct triangles are for which the lengths of the sides are 5,9 and n, where n is an integer and 10
A. Two
B. Three
C. Four
D. Five
Please answer and show statement reason format.
Thanks

Answer 1

The answer is C because you can have a triangle with 5,9,n   5,10,n   9,10,n   and 5,10,9

The reason why is because the sum of two sides is always larger than the value of the third side.

I hope that this helps.

Answer 2

Answer:

it's b

Step-by-step explanation: