In a 30-60-90 right triangle, the shorter leg has a length of 4. what is the length of the longer leg? how would i figure this out? (the highlighted answer is the correct one i'm just not sure how to solve it)

use a^2 +b^2=c^2

Step-by-step explanation:

  3(3b +4)

Step-by-step explanation:

The greatest common factor (GCF) of 9 and 12 is 3, so you're being asked to factor that out.

  9b +12 = 3(3b +4)

The GCF can be found a couple of ways. One of them is to list the prime factors and identify those that are common.

  9b = 3 × 3 × b

  12 = 2 × 2 × 3

For these two terms, the only common factor is 3.