20. Opposite angles are always congruent in a(n)
a. quadrilateral
b. isosceles trapezoid
c. trapezoid
d. rhombus

What two criteria are needed for triangles to be similar

Adam plans to choose a video game from the section of the store where everything is 75% off. he writes the expression d-0.75d to find the sale price of the game if the original price is d dollars. gena correctly writes another expression, 0.25d, that will also find the sale price of the game if the original price is d dollars. use the drop down menus to explain each part of adams and rena's expression

What is the frequency of the sinusoidal graph?