The night before the exam, sleep. A rested mind recalls what a tired one has only read.

Triangles — quick quiz

2 NSTSE-pattern questions on Triangles. Instant scoring and solutions, no signup — see where you stand in a few minutes.

Question 1 of 2

Hard

In △ABC, DE is parallel to BC, with D on AB and E on AC. If AD = 4 cm, DB = 6 cm, and AE = 3 cm, then EC equals: