102k views
4 votes
Cannot seem to figure this one out.

Cannot seem to figure this one out.-example-1
User Vbezhenar
by
4.1k points

1 Answer

5 votes

Answer:

cosB = 2√6 / 7

Explanation:

use the pythagorean theorem to find the missing side

a² + b² = c²

a² + 5² = 7²

a² + 25 = 49

a² = 24

a = √24

a = 2√6

--------------------------

cosB = adj/hyp

cosB = 2√6 / 7

User Cldmaus
by
5.2k points