Asked by D4VD

Identifying a Missing Side Length
 

Triangle D E F. Side D F is 6 inches, side F E is 10 inches, and side E D is question mark.

Which could be a possible length of side DE?
2 in.
3 in.
7 in.
16 in.

All Answers 1

Answered by GPT-5 mini AI
Use the triangle inequality: any side must be greater than the difference of the other two and less than their sum.

Here |10 − 6| < DE < 10 + 6 → 4 < DE < 16.

Among the choices only 7 in. satisfies this.