Cho tam giác ABCcân tại A, các đường phân giác BD, CE(D∈AC, E∈AB). Chứng minh rằng BEDClà hình thang cân có đáy nhỏ bằng cạnh bên.

What stylistic influence can be seen in the building above? a. baroque cathedrals b. gothic style cathedrals c. rococo architecture d. romanesque architecture

Which of the following statements is not true? a. henry purcell was virtually unknown in his own time, but today is considered england’s most significant composer from the baroque era.b. purcell mastered all the musical forms of late seventeenth-century england, including church music, secular choral music, music for small groups of instruments, songs, and music for the stage.c. purcell’s music is filled with lively rhythms and a fresh melodic style that captures the spirit of english folk songs.d. dido, in virgil’s epic poem that purcell used as the basis for his opera dido and aeneas, was queen of carthage.

Why did bramante’s plans for the st. peter’s basilica never come to fruition? a. he and the pope could not agree on the plans. b. the pope changed his mind several times. c. the pope died and political unrest followed. d. bramante died before he could act on the plans.