DEPRECATED Trigonometric functions and side ratios in right triangles


The diagram below contains parallelogram A, B, C, D and triangle triangle, E, F, G.
m, angle, B, A, C, equals, m, angle, D, C, A, equals, m, angle, E, equals, 90, degree
m, angle, C, B, A, equals, m, angle, A, D, C, equals, m, angle, F, equals, 31, degree
Which of the equalities must be true?
Choose 1 answer:
Choose 1 answer:
Do 4 problems