Segmentul AD este înălțime în triunghiul dreptunghic ABC, ∡A = 90°, iar segmentul DE este înălțime în triunghiul ADC. a) Demonstrați că ΔABC ∼ ΔDAC.
b) Demonstrați că ΔABD ∼ ΔCDE.
c) Dacă AC = 16 cm, CD = 12,8 cm, calculați lungimile segmentelor BC și EC.

The constant of proportionality is always the where k is the constant of proportionality. additionally, you can find the constant of proportionality by finding the ratio for any point onasap

The number if marbles of different colors stored in a hat is listed below: 4 red marbles 10 green marbles 7 blue marbles. without looking in the hat, dan takes out a marble at random. he replaces the marble and then takes out another marble from the hat. what is the probability that dan takes out a blue marble in both draws?

0if x and y vary inversely and y=6 as x=7, what is the constant of variation?