contestada

interior of a running track has the dimensions shown this area will be planted grass seed one kilogram of grass seed will cover 40 square meters more than 100 kilograms of grass seed be needed to cover the interior of the track explain your reasoning

interior of a running track has the dimensions shown this area will be planted grass seed one kilogram of grass seed will cover 40 square meters more than 100 k class=

Respuesta :

Hagrid
Given:
Oval track isa combination of a rectangle and circle.
Rectangle: 84 meters by 73 meters
Circle: diameter 73meters

Area of rectangle = 84m * 73 m = 6132 sq.m

Area of a circle = 3.14 * (36.5m)² = 3.14 * 1332.25 m² = 4183.265 sq.m

6132 sq.m + 4183.265 sq.m = 10,315.265sq.m

10,315.265/40 = 257.88 or 258 kilos of seeds needed to cover sa oval.

Otras preguntas