Look at this sentence:

The triangle is a metal percussion instrument that you strike with a small steel rod.

Select the definition of strike that the sentence uses.

strike \strahyk\ verb striking, struck 1. to hit or slap something or someone: Tara strikes the clay with her fists to soften it. 2. to light a match: Strike the match on the box to light it. 3. (of a clock) to make a sound at a set time: I waited for the clock to strike noon.