Question

Which of the following three side lengths would form a triangle

A)2 ft, 3ft, and 7ft
B)3ft, 1 ft, and 2ft
C)10ft, 5ft, and 7ft
D)20ft, 10ft, and 5ft

Answer 1

C)10 ft, 5 ft, and 7 ft

Step-by-step explanation:

For a triangle sum of two small sides are grater than third side.

So,

A)2 ft + 3 ft < 7 ft

NO

B)1 ft + 2 ft = 3 ft

NO

C)5 ft + 7 ft > 10 ft

Yes

D)10 ft + 5 ft < 20 ft