1 Select all quadrilaterals for which a diagonal is also a
line of symmetry.

(Select all that apply.)
trapezoid
isosceles trapezoid
parallelogram
rhombus
rectangle
square

5días gucgivuzu 32 horas y horas 6y t7

Hello! i hope this
since the cosine is the ratio of the adjacent side to the hypotenuse, you can see that cos 60° = ½. answer. according to the property of cofunctions (topic 3), sin 30° is equal to cos 60°. sin 30° = ½.