A 250-ft cable runs from the top of a radio antenna to a stake in the ground. The cable makes a 30° angle with the ground. What is the height of the
radio antenna?
250 ft
30

Please help

Trade routes emerged along which coast when arab and indian traders from around the indian ocean mixed with the bantu people from africa's interior? a. swahili coast b. guinea coast c. drakensberg coast d. namib coast

Which movement developed in the early 1900s and encouraged the nationalist spirit of africans throughout the world? a. african nationalist b. tribalism c. pan-africanism d. african union

The process by which liquid water changes into water vapour is called what ?