The cosine ratio is used to solve for missing sides or angles in an equilateral triangle. true false

Using the side-splitter theorem, daniel wrote a proportion for the segment formed by luke segment de. what is ec?

26) -2(7x) = (-2 • 7) x a. associative property of addition b. associative property of multiplication c. commutative property of multiplication d. commutative property of addition

If angle b measures 25°, what is the approximate perimeter of the triangle below? 10.3 units 11.8 units 22.1 units 25.2 units