Na figura ao lado, aparece a representação de um campo de futebol e das medidas da linha lateral (comprimento) e da linha de fundo (largura). a) Em qual unidade, no campo real, estão expressas essas medidas? b) Qual é a medida do contorno, ou seja, do perímetro desse campo?

The perimeter of a quarter circle is 14.28 miles. what is the quarter circle's radius?

Grace is standing 18 feet from a lighthouse and kelly is standing 10 feet from grace. the angle that grace looks up to see the top of the lighthouse is 45°. the angle that kelly looks up to see the top of the lighthouse is y°. find the height, h, of the lighthouse. find the angle, rounded to the nearest tenth of a degree, in which kelly looks up to the top of the lighthouse. to the nearest tenth of a degree, find the value of x° . in two or more sentences, explain your calculations

Round to the nearest ten thousandth. i dont get this