Triunghiul isoscel abc are latura [bc] situata intr un plan alfa si se proietcteaza pe plan dupa triunghiul dreptunghic dbc. stiinda ca m(bdc)=90°, iar bd=16 cm si cd=12 cm, aflati

a) cosinusul unghiului abc

b) lungimea laturii [bc] a triunghiului abc

Which of the following lines does not intersect the line y=-2x+3 ? a) y=2x b) y=2x-3 c) y=2x+3 d) y=-2x-3

In a survey of 1015 adults, a polling agency asked, "when you retire, do you think you will have enough money to live comfortably or not. of the 1015 surveyed, 534 stated that they were worried about having enough money to live comfortably in retirement. construct a 90% confidence interval for the proportion of adults who are worried about having enough money to live comfortably in retirement.

Write a similarity statement for the similar triangles. afgh ~ a